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Portrait of John Hasbrouck Van Vleck

John Hasbrouck Van Vleck

John Hasbrouck Van Vleck (born March 13, 1899, Middletown, United States; died 1980), was an American physicist. Vleck's honours include Nobel Prize in Physics, Lorentz Medal and Irving Langmuir Award in Chemical Physics.

John Hasbrouck Van Vleck’s zodiac sign was Pisces, and in the Chinese zodiac they were an Earth Pig, with Life Path 7 in numerology.

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  • · What attracts you to each other
  • · What you would bring to the match
  • · Where you might clash
  • · Whether you share lucky numbers, colours, stones or seasons

John Hasbrouck Van Vleck’s AsterNym identity

The Gilded Seeker

Metal represents precision. Metal-led charts are associated with standards, boundaries, discernment and the ability to remove what is unnecessary. Life Path 7 represents inquiry: study, solitude and the need to understand what others may simply accept.

Metal Day Master (BaZi) × mutable Sun × Life Path 7, on the intuitive plane.

How common is the name John in the U.S.?

#23

US rank in 2025

~5,204,377

Americans share it since 1880

1947

its peak year

US Social Security Administration public records

John’s lucky numbers, colours and stones

Traditional correspondences calculated from AsterNym’s astrology, wuxing and numerology system.

Lucky numbers

7 · 2 · 5 · 8

Lucky colours

Yellow & Ochre

Lucky day

Thursday

Direction

Center

Season

the turning of seasons

Stones

Aquamarine, Yellow Sapphire, Citrine

Flower constellation

🌼 Daffodil · 🌸 Peony · 🌻 Zinnia

Sunlit yellow · Rose-gold · Terracotta

The same wuxing & numerology correspondences as your own print. One tradition, read for everyone

What the chart says

John, according to the stars

Core essence

John feels everything, and it is the best and hardest thing about them. The core of John is imagination with a soft heart behind it: the daydream, the creative pull, the instinct that knows how someone is doing before they do. They absorb the mood of a room and give back something kinder. Their softness is not weakness, it is the whole point.

The vibe

Underneath, John runs hot. The Moon in Aries means feelings arrive fast and loud and burn out just as fast, so the flare you saw an hour ago is already forgiven. What John needs to feel safe is honesty in real time and room to react. Say it straight, and they will always meet you there.

How John wants to be loved

John wants to be loved as a friend first, and then as everything. Venus in Aquarius needs freedom, conversation and a partner who finds their strangeness delightful. Rules and jealousy make them cold; acceptance makes them devoted. Let John be fully themselves and they will never want to be anywhere else.

How John creates

How John makes things happen: they cut to it. A Yang Metal day master is the sword, decisive, principled, allergic to nonsense. John creates by clarifying, by deciding, by being the one who says what the thing actually is. Sharp with themselves first. The work is remembering that not every problem needs a blade.

Instinct

Instinct: John is warm and generous, a Pig year, and their gut reaction is to trust. Big-hearted, fun, sincere, a lover of good things, and deserving of people who are as honest as they are. The Earth year grounds it: practical, patient, someone people lean on.

Purpose

Purpose: Life Path 7 is the seeker. John is here to understand, to go deep rather than wide, to keep a private inner world that most people never see. Thoughtful, intuitive, happiest with time alone, and learning to let the right people in.

Triggers

Triggers: feeling unsafe, or seeing their people treated badly. Mars in Cancer means John does not fight for themselves easily but will go to war for someone they love. The anger comes out sideways at first, then all at once. Protectiveness is the whole engine.

Computed from John's birth date, not guessed. The full working is below.

Where John sits

Six lines. Tap where you sit on each.

John’s dot is placed from the chart. Yours is wherever you put it.

Intimate circleWide network
John

You may run on a few close bonds rather than a crowd. Depth is your default.

DeliberateSpontaneous
John

You likely weigh most decisions but can move fast when it matters.

PrivateExpressive
John

You may wear your feelings openly. What you feel tends to show.

Cool off firstResolve immediately
John

You may need space before addressing conflict. Cooling off comes first.

PracticalVisionary
John

You likely balance practical steps with room to imagine further.

Gradual trustImmediate chemistry
John

You likely warm up at a pace that depends on the person and moment.

✦ A real star from their birth night

Dedicate a star to John Hasbrouck Van Vleck

Three stars chosen from the real sky above Middletown on the night they were born. Choose the story that connects you.

No public birth time is available, so this is a 9:00 p.m. reference evening sky for that date and place. It is connected to the night of birth; it is not the sky at the birth minute, and no other reading on this page uses that time. Dedications are commemorative AsterNym records and do not rename or confer ownership of stars.

Pisces Sun

Soft edges, deep pull.

John Hasbrouck Van Vleck's Sun was in Pisces for the whole of March 13, 1899, so no birth time is needed to settle it. Traditional Pisces readings associate the sign with imagination, empathy and permeable boundaries: absorbing the mood of a place and turning it into something. Astrologers describe it as the mutable water sign, traditionally ruled by Jupiter and in modern practice by Neptune. The corresponding tension is drift, described in the tradition as a difficulty telling one's own feelings from everyone else's.

Earth Pig

Gives more than it gets.

John Hasbrouck Van Vleck was born on March 13, 1899, which falls in a Earth Pig year of the Chinese calendar. Traditional Pig readings emphasise generosity, sincerity and an appetite for the good things, shared. The Chinese almanacs describe the Pig as the most open-handed sign in the cycle, trusting and hard to anger. The corresponding caution in the tradition is naivety, and a difficulty believing that anyone would take advantage of that trust.

Life Path 7

Asks the better question.

John Hasbrouck Van Vleck's birth date, March 13, 1899, reduces to Life Path 7 under the numerology method AsterNym uses. Traditional Life Path 7 readings associate the number with inquiry, analysis and solitude: the need to understand what others simply accept. Numerologists describe it as the path of the seeker, reflective and private. The corresponding tension is withdrawal, with the caution that a mind at home in its own company can forget to come out.

What stands out in John’s chart

John’s birth chart

Reference chart · birth time unknown

No documented birth time exists for John Hasbrouck Van Vleck, so the positions below are checked across the whole birth date, not fixed at noon. The Moon ranges from 11° to 25° Aries depending on the hour. The wheel's houses are a solar chart, counted from the Sun's sign, because the Ascendant needs a time.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Sun grinds against Saturn · Square, 0.4° orbVenus opens doors for Uranus · Sextile, 0.4° orbSun grinds against Neptune · Square, 0.9° orbVenus grinds against Jupiter · Square, 1.2° orbSaturn faces off with Neptune · Opposition, 1.4° orbMercury flows with Uranus · Trine, 2.2° orbSun flows with Mars · Trine, 2.3° orbMoon grinds against Mars · Square, 2.5° orbSun in Pisces · 22°55′22°Moon in Aries · 18°09′18°Mercury in Aries · 5°52′Venus in Aquarius · 8°29′Mars in Cancer · 20°37′20°Jupiter in Scorpio · 9°43′ · retrogradeSaturn in Sagittarius · 23°22′23°Uranus in Sagittarius · 8°02′ · retrogradeNeptune in Gemini · 22°00′22°Pluto in Gemini · 13°45′13°

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1. A documented time would place them from the Ascendant instead.

Tap a planet, a sign, a house, an aspect line or an element to see what it means and what sits in it.
Lines drawn
Conjunction
Sextile 60°
Square 90°
Trine 120°
Opposition 180°

Placements

Tap one to light it on the wheel.

The working: aspects, Chiron and the asteroids, dominant planets and configurationsshow

Aspects across every possible birth time

Stable aspects hold for any birth hour. Possible ones depend on the hour, so their orb is a range rather than a number. Orb policy western_v1.

  • stableSunsquareSaturn0.0° to 0.9° orb

    John’s core identity grinds against their discipline. The angle that irritates, and the one that teaches.

  • stableVenussextileUranus0.0° to 1.0° orb

    John’s affections open doors for their need for freedom.

  • stableSunsquareNeptune0.4° to 1.4° orb

    John’s core identity grinds against their imagination. The angle that irritates, and the one that teaches.

  • stableVenussquareJupiter0.7° to 1.8° orb

    John’s affections grind against their growth.

  • stableMercurytrineUranus1.2° to 3.1° orb

    John’s mind flows straight into their need for freedom. A talent so smooth it can go unnoticed.

  • stableSaturnoppositionNeptune1.3° to 1.4° orb

    John’s discipline pulls against their imagination from across the wheel. Two ends of one rope.

  • stableSuntrineMars1.9° to 2.7° orb

    John’s core identity flows straight into their drive.

  • stableMercurysextileVenus2.3° to 3.0° orb

    John’s mind opens doors for their affections. An easy alliance, and it pays off when it is used.

  • stableVenustrinePluto4.7° to 5.8° orb

    John’s affections flow straight into their depths. A talent so smooth it can go unnoticed.

  • stableUranusoppositionPluto5.7° orb

    John’s need for freedom pulls against their depths from across the wheel. Two ends of one rope.

  • possibleMoontrineSaturnorb from 0.0° to 12.3° depending on birth time

  • possibleMoonsextilePlutoorb from 0.0° to 11.4° depending on birth time

Chart signature

Elements

  • Fire4 of 10
  • Earth0 of 10
  • Air3 of 10
  • Water3 of 10

Modalities

  • Cardinal3 of 10
  • Fixed2 of 10
  • Mutable5 of 10

Counted across the ten planets by sign: Fire leads this chart, with no planets in Earth signs.

John’s Chiron, Ceres, Eros, Hygiea and Lilith

Four minor bodies and the mean lunar apogee, placed in the same tropical zodiac as the planets above. None of these feed the chart signature, the rarity score or any ranking on this site: they are listed for readers who use them. Chiron, Ceres, Eros and Hygiea positions come from JPL Horizons; Black Moon Lilith is the mean apogee, the point most published Lilith tables use. The readings are the modern tradition’s, not AsterNym’s. Without a birth time the degree is the noon value and the day's movement is shown alongside it.

  • ChironSagittarius 12°57′ (moves 0.02° over the day)

    centaur (2060) · the wound and what is learnt from it

    Chiron in Sagittarius is read as a sore spot around belief and being taught. The reading has John building a philosophy from lived evidence rather than received one.

  • CeresScorpio 10°51′ (moves 0.04° over the day)

    dwarf planet (1) · how a person nurtures and wants to be nurtured

    Ceres in Scorpio is read as nurture that goes all in: loyalty, intensity, a care that does not do halfway. John is read as fierce about the people counted as theirs.

  • ErosTaurus 8°33′ (moves 0.84° over the day)

    near-Earth asteroid (433) · what draws them and how they desire

    Eros in Taurus is read as desire through the senses and through time. The reading has John wanting what can be touched, kept and returned to.

  • HygieaVirgo 16°37′ (moves 0.21° over the day)

    main-belt asteroid (10) · health, routine and what keeps them well

    Hygiea in Virgo sits in the sign the tradition links to it most closely: health as maintenance. John is read as attentive to small signals and prone to over-attending.

  • Black Moon LilithLeo 1°43′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

    Black Moon Lilith in Leo is read as a pride that will not perform on demand. John is read as most dangerous when underestimated.

Aspects to the asteroids and Lilith

Major aspects only, at a tight orb. The Moon is left out because its position moves 13° across an untimed day.

  • Eros square Venus 0.1°
  • Chiron opposition Pluto 0.8°
  • Ceres conjunction Jupiter 1.1°
  • Eros opposition Jupiter 1.2°
  • Ceres square Venus 2.4°
  • Hygiea square Pluto 2.9°

Method: JPL Horizons heliocentric vectors, 1700–2100, cubic Hermite interpolation; geocentric, true ecliptic of date, tropical; geometric (no light-time or aberration); Lilith = mean lunar apogee (Chapront/Meeus mean perigee + 180°).

John’s dominant planets

Scored from rulerships, dispositors and aspect count. Without a birth time there is no Ascendant or house to score, and the Moon's sign is left out where it could change with the hour.

  1. 1. Neptune6 pts

    rules the Sun sign, Pisces; disposes Sun; 2 major aspects

  2. 2. Jupiter4.5 pts

    traditionally rules the Sun sign, Pisces; disposes Saturn, Uranus; 1 major aspect

  3. 3. Mercury4 pts

    disposes Neptune, Pluto; 2 major aspects

A Neptune-led chart is read as imagination and porousness leading: John is read as tuned to what is not said.

How the score is built
  • Rules the Sun sign, Moon sign or Ascendant sign: 3 points each (traditional co-rulers of Scorpio, Aquarius and Pisces score half).
  • Sits in a sign it rules: 2 points.
  • Disposes another planet (that planet sits in a sign it rules): 1 point each.
  • Angular: 2 points in the first or tenth house, 1 point in the fourth or seventh (timed births only).
  • Every major aspect it makes: 1 point.

Dominance scoring is an AsterNym method. Other sites weight differently and can name a different leader for the same chart.

Configurations in John’s chart

Closed shapes among the ten planets under the site’s one aspect-orb policy. The Moon is excluded without a birth time, so a shape that needs it is not claimed.

  • t square, the shape it makesT-square onto Sun · Saturn, Neptune, SunAn opposition with a third planet squaring both ends. Read as a driving tension that resolves through the apex planet.

Minor aspects

semi-sextile 30° (orb 2°), semi-square 45° (orb 2°), quintile 72° (orb 1.5°), sesquiquadrate 135° (orb 2°), biquintile 144° (orb 1.5°), quincunx 150° (orb 2.5°). Pairs already in a major aspect are not repeated. Moon excluded without a birth time.

  • Venus semi-square Saturn 0.1°
  • Sun semi-square Venus 0.6°
  • Mars semi-sextile Neptune 1.4°
  • Jupiter semi-square Saturn 1.4°
  • Venus sesquiquadrate Neptune 1.5°
  • Jupiter semi-sextile Uranus 1.7°
  • Sun sesquiquadrate Jupiter 1.8°

Houses need a birth time. None is documented for John Hasbrouck Van Vleck, so no house placements are claimed for the planets or the minor bodies above.

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What a Day Master is →

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The Gilded Seeker explained →

Famous people with Life Path 7

Life Path numbers explained →

From the journal: Moon sign vs rising sign vs Sun sign · Is astrology a science?

John’s cards

Every card is computed from March 13, 1899, none chosen. Tap one to flip it.

Birth tarot card

The Tower

Tap to flip

AsterNym identity card

The Gilded Seeker

Tap to flip

Western zodiac

Pisces

Tap to flip

Chinese zodiac

Pig 亥

Tap to flip

♃ Ruled by Jupiter

Tin Sn

Tap to flip

The working: BaZi pillarsshow

BaZi pillars

Day Master: yang Metal.

Year

yin Earth

Pig

Water

roots & early life

Month

yin Fire

Rabbit

Wood

work & drive

Day

day master

yang Metal

Dragon

Earth

you & partnership

No birth time is on public record for John Hasbrouck Van Vleck, so this chart has three pillars rather than four. The hour pillar, the rising sign and the birth-sky star all need a time, and we would rather leave them out than invent one.

Where this data comes from

John’s birth date and birthplace come from Wikidata Q193655, released under CC0, as do the occupations, works, teams and awards in the biography above. No documented birth time is available, so this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. Time-dependent results use a clearly labelled reference time and should not be read as their exact birth chart. Entries are matched to Wikidata by entity id rather than by name, kept only at day precision, and dropped where sources disagree on the date.

Portrait by JH_van_Vleck_and_HBG_Casimir,_1974.jpg: Unknown derivative work: Materialscientist, CC BY-SA 3.0 nl, via Wikimedia Commons.

The same John Hasbrouck Van Vleck at Wikipedia.

Roster last reviewed September 10, 2026. Every entry is checked against its Wikidata record; where a person shares a name with someone else, the entity id is what settles which of them this is. What we will not tell you sets out the claims this site refuses to make.

These are traditional interpretations, not facts or predictions. AsterNym is not affiliated with or endorsed by John Hasbrouck Van Vleck.

Quick answers about John Hasbrouck Van Vleck’s chart

What zodiac sign was John Hasbrouck Van Vleck?
John Hasbrouck Van Vleck was a Pisces: born March 13, 1899, which puts the Sun in Pisces for the whole of that day. That is the Western star sign. In the Chinese zodiac they were an Earth Pig.
What was John Hasbrouck Van Vleck's Chinese zodiac animal?
The Pig, with the Earth element, from the Chinese lunar year of the March 13, 1899 birth.
What time was John Hasbrouck Van Vleck born?
No reliably documented birth time is public, so AsterNym does not calculate an Ascendant. This chart uses date-only positions: the wheel shows a reference solar chart (the Sun's sign as house 1), and the Ascendant is left uncomputed instead of guessed from an unverified time.
What was John Hasbrouck Van Vleck's Life Path number?
Life Path 7, calculated in numerology from the March 13, 1899 birth date.
What was John Hasbrouck Van Vleck's Chiron sign?
Chiron in Sagittarius at 12°. Position from JPL Horizons for the March 13, 1899 birth date.
Where was John Hasbrouck Van Vleck's Black Moon Lilith?
Mean Black Moon Lilith in Leo at 1°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What was John Hasbrouck Van Vleck's dominant planet?
Neptune, on AsterNym's dominance score (6 points: rules the Sun sign, Pisces; disposes Sun; 2 major aspects). Jupiter is second and Mercury third. Other sites weight rulerships and aspects differently and can name a different leader.

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