Leon Cooper
Leon Cooper (born February 28, 1930, New York City, United States; died 2024), was an American physicist. Cooper is best remembered for BCM theory, BCS theory and Cooper pair. Cooper's honours include Nobel Prize in Physics, Comstock Prize in Physics and Guggenheim Fellowship.
Leon Cooper’s zodiac sign was Pisces, Chinese zodiac was Metal Horse, with Life Path 7 in numerology.
Pisces, Chinese zodiac was 
Metal Horse, with 
Life Path 7 in numerology.Your match with Leon
Leon Cooper’s AsterNym identity
The Steadfast Seeker
Earth represents stability. Earth-led charts are associated with patience, responsibility and the ability to make people or projects feel supported. Life Path 7 represents inquiry: study, solitude and the need to understand what others may simply accept.
Earth Day Master (BaZi) × mutable Sun × Life Path 7, on the intuitive plane.
How common is the name Leon in the U.S.?
#138
US rank in 2025
~184,074
Americans share it since 1880
1924
its peak year
In 1930, 2,401 American boys and 23 girls were registered Leon — 81st among boys and 1,684th among girls on the SSA's list that year.
US Social Security Administration public records
What Leon’s name adds up to
Worked from the name as published, letter by letter.
1
Expression · starting things
1
Soul Urge · independence
9
Personality · generous, worldly
The name opens on L (3) and closes on N (5). Two values tie for most repeated, 5 and 6: movement against care.
Pythagorean letter values · A=1 to I=9, then J=1 again
Leon’s lucky numbers, colours and stones
Traditional correspondences, calculated not chosen.
Lucky numbers
7 · 2 · 3
Lucky colours
White & Gold
Lucky day
Thursday
Direction
← West
Season
autumn
Stones
Amethyst, Yellow Sapphire, Rutilated Quartz
Flower constellation
💜 Violet · 🌸 Peony · 🤍 White Magnolia
Violet · Rose-gold · Moonlight white
The record
What sets Leon apart
Linus Pauling (1901) and Steven Chu (1948) share the birthday in another year, so the sun sits where it sits here.
What the chart says
Leon, according to the stars
Core essence
Leon feels everything, and it is the best and hardest thing about them. The core of Leon 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, Leon is porous: other people's moods get in, and so does beauty, and so does the sad song. The Moon in Pisces feels everything and forgives most of it. What Leon needs to feel safe is gentleness and someone who does not make them explain the tears. They will love you back with their whole imagination.
How Leon wants to be loved
Leon wants to be loved tenderly. Venus in Pisces is the romantic of the zodiac: soft, giving, a little dreamy, and easily bruised. They love without keeping score and need a partner who will not take advantage of that. Be gentle with Leon, be honest, and they will make the ordinary feel enchanted.
How Leon creates
How Leon makes things happen: they make things grow. A Yin Earth day master is the garden soil, generous, nourishing, the reason other people's ideas take root. Leon creates by caring for the thing until it works, and they are often the quiet reason a whole group is thriving. The work is keeping some of that richness for themselves.
Instinct
Instinct: Leon is free-spirited, a Horse year, and their gut reaction is to run toward the new thing. Energetic, warm, popular, honest to a fault, and impossible to keep indoors. The Metal year sharpens it: principled, determined, clear about what is right.
Purpose
Purpose: Life Path 7 is the seeker. Leon 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: being told "because that's how it's done." Mars in Aquarius fights for the idea, the group, the principle, rarely for themselves. Leon goes cool and distant rather than hot, and then does the surprising thing. Point them at a cause and they will rewrite the rules around it.
Computed from Leon's birth date. Working below.
Where Leon sits
Six lines
Leon’s dot comes from the chart; yours is where you put it.
You likely balance a tight inner circle with a wider orbit you dip into.
You may leap first and adjust as you go. Waiting can feel like losing momentum.
You likely share some feelings openly and keep others to yourself.
You may need space before addressing conflict. Cooling off comes first.
You may be drawn to big possibilities. The practical follows after the vision.
You likely warm up at a pace that depends on the person and moment.
Tap each line where you sit.
All twelve of yours, from your birth date →✦ A real star from their birth night
Dedicate a star to Leon Cooper
Three stars chosen from the real sky above New York City on the night they were born. Choose the story that connects you.
A 9 p.m. reference sky, not the birth minute. Dedications are commemorative and confer no ownership of stars.
The sky over New York City that night
Computed for 40.71°N, 9 p.m. local sky.
Castor stood nearest the zenith over New York City at 9 p.m. that evening, 81.2° above the horizon in Gemini.
Sirius was the brightest thing up that night, one of 104 catalog stars above the horizon.
New York City sits at 40.7°N, low enough that no headline star is circumpolar: everything bright rises and sets there.
Nothing below −49.3° declination clears the horizon at this latitude, so Canopus, Rigil Kentaurus, Achernar, Hadar, Acrux, Mimosa and Toliman were never visible from New York City on any night.
The Moon, 0% lit at new moon, had already set; the Sun sat 36° below the horizon.
How unusual Leon's chart is
Chart pattern score
22 / 100 · Reassuringly normal
T-square onto Jupiter
An AsterNym index built from stelliums, yods, grand crosses and chart shape. It is not a population percentile, and a high score is not a better chart. Without a birth time the houses are left out of it.
Score your own chart →Leon Cooper at a glance
Pisces Sun
Pisces SunKind, porous, easily flooded.
Leon Cooper's Sun was in Pisces for the whole of February 28, 1930, so no birth time is needed to settle it.
What Pisces means →Metal Horse
Metal HorseBright, restless, warm.
Leon Cooper was born on February 28, 1930, which falls in a Metal Horse year of the Chinese calendar.
What the Horse means →Life Path 7
Life Path 7Solitary, curious, deep.
Leon Cooper's birth date, February 28, 1930, reduces to Life Path 7 under the numerology method AsterNym uses.
What Life Path 7 means →What stands out in Leon’s chart
- The tightest major aspect in Leon Cooper's date-only chart is Saturn square Uranus, with an orb of under 1°.
- Five of the ten planets fall in Mutable signs, making Mutable the strongest modality in this chart.
- Leon Cooper combines an Earth Day Master in BaZi with a mutable Sun and a Life Path on the intuitive plane, the combination AsterNym calls The Steadfast Seeker.
Leon’s birth chart
Reference chart · birth time unknown
Positions are checked across the whole date. The Moon ranges from 4° to 17° Pisces depending on the hour.
No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1.
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
stableSunconjunctionMoon0.0° to 7.2° orb
Leon’s core identity and feelings act as one.
stableSunsextileSaturn0.0° to 0.8° orb
Leon’s core identity opens doors for their discipline. Nothing happens until someone makes the first move.
stableSaturnsquareUranus0.2° orb
Leon’s discipline grinds against their need for freedom.
stableMercuryconjunctionMars0.6° to 1.2° orb
stableSunsquareJupiter1.3° to 2.2° orb
stableJupitersextileUranus1.9° orb
stableVenustrinePluto2.3° to 3.5° orb
stableSunconjunctionVenus5.2° to 5.5° orb
stableJupitersquareNeptune5.6° to 5.7° orb
stableSunoppositionNeptune6.9° to 7.9° orb
stableSaturnoppositionPluto7.8° to 7.9° orb
possibleMoonsextileSaturnorb from 0.0° to 7.3° depending on birth time
Chart signature
Elements
- Fire1 of 10
- Earth2 of 10
- Air3 of 10
- Water4 of 10
Modalities
- Cardinal3 of 10
- Fixed2 of 10
- Mutable5 of 10
Counted across the ten planets by sign: Water leads this chart.
Leon’s Chiron, Ceres, Eros, Hygiea and Lilith
What astrologers make of these five, at noon values.
⚷ ChironTaurus 10°25′ (moves 0.04° over the day)
centaur (2060) · the wound and what is learnt from it
⚳ CeresGemini 9°19′ (moves 0.22° over the day)
dwarf planet (1) · how a person nurtures and wants to be nurtured
♡ ErosAquarius 14°51′ (moves 0.58° over the day)
near-Earth asteroid (433) · what draws them and how they desire
⚕ HygieaAries 20°19′ (moves 0.30° over the day)
main-belt asteroid (10) · health, routine and what keeps them well
⚸ Black Moon LilithAquarius 1°35′ (moves 0.11° over the day)
mean lunar apogee · the part that refuses to be tamed
Aspects to the asteroids and Lilith
- Ceres square Sun 0.1°
- Ceres sextile Uranus 0.2°
- Chiron trine Saturn 0.6°
- Chiron sextile Sun 1.0°
- Eros conjunction Mercury 1.3°
- Ceres conjunction Jupiter 1.7°
- Eros conjunction Mars 2.2°
- Hygiea square Pluto 2.7°
Leon’s dominant planets
1. ♆ Neptune7 pts
rules the Sun sign, Pisces; disposes Sun, Venus; 2 major aspects
2. ☉ Sun5 pts
5 major aspects
3. ♄ Saturn5 pts
in its own sign, Capricorn; 3 major aspects
Configurations in Leon’s chart
T-square onto Jupiter · Sun, Neptune, JupiterAn opposition with a third planet squaring both ends. Read as a driving tension that resolves through the apex planet.
Minor aspects
semi-sextile, semi-square, quintile, sesquiquadrate, biquintile, quincunx.
- Sun semi-sextile Uranus 0.2°
- Mars quincunx Pluto 0.6°
- Neptune semi-square Pluto 0.6°
- Mercury semi-sextile Venus 1.4°
- Mercury quincunx Pluto 1.5°
- Jupiter quincunx Saturn 2.1°
More people like Leon
Other physicists
- Richard E. Taylor1929
- Jerome Isaac Friedman1930
- Murray Gell-Mann1929
- David Lee1931
- Peter Higgs1929
- Burton Richter1931
Born in United States
- Joanne WoodwardAmerican actress (born 1930)
- Stephen SondheimAmerican composer and lyricist
- Gene HackmanAmerican actor and novelist
- Steve McQueenAmerican actor
- Buzz AldrinAmerican astronaut
- Jerome Isaac FriedmanAmerican physicist
More charts like Leon’s
Fellow Pisces suns
- Jessica PegulaUS American tennis player
- Miles CatonAmerican musician
- Noah JupeBritish actor
Born in Horse years
- William S. McFeelyAmerican historian
- Natalie DiazMojave poet, writer and basketball player
- Frank Peters Jr.American journalist
Also born on February 28
- Linus Pauling1901
- Steven Chu1948
- Ali Larter1976
- Jeremy Allen White1991
- Emmelie de Forest1993
- Jason Aldean1977
Fellow Yin Earth day masters
- David S. BroderAmerican Pulitzer Prize-winning journalist
- Henry ThreadgillAmerican jazz musician (born 1944)
- Benjamin MoserAmerican linguist, writer
Other Pisces Horse charts
- Chelsea PerettiAmerican comedian and actress
- Emilia JonesBritish actress
- Cameron WinterAmerican rock singer
- Frank OvertonAmerican actor
Other Steadfast Seekers
- Joe RootEngland cricketer
- Collin MorikawaAmerican professional golfer
- Madison KeysUS American tennis player
- Genesis RodriguezAmerican actress (b. 1987)
Famous people with Life Path 7
- T-PainAmerican singer, songwriter, and record producer
- Dimash QudaibergenKazakh singer
- Denny HulmeNew Zealand racing driver
From the journal: Why your Chinese sign might be wrong · What is feng shui?
Leon’s cards
Computed from February 28, 1930. Tap to flip.
Birth tarot card
The TowerAsterNym identity card
The Steadfast SeekerWestern zodiac
PiscesChinese zodiac
Horse 午Life Path
7 · Seeker♃ Ruled by Jupiter
Tin Sn
The working: BaZi pillarsshow
BaZi pillars
Day Master: yin Earth.
Year
庚
yang Metal
午
Horse
Fire
roots & early life
Month
戊
yang Earth
寅
Tiger
Wood
work & drive
Day
day master
己
yin Earth
酉
Rooster
Metal
you & partnership
Where this comes from, and how it is worked out
Leon’s birth date and birthplace come from Wikidata Q82563 (CC0), as do the occupations, works and awards above. With no documented birth time this chart is rated X on the Rodden scale, the astrological convention for how well evidenced a birth time is. The banner above lists what that leaves out. Entries are matched to Wikidata by entity id rather than by name, kept at day precision, and dropped where sources disagree on the date.
Tropical zodiac, whole-sign houses, modern rulers. Aspects on the western_v1 orb policy; minor ones at 1.5° to 2.5°, skipped where a major already holds. Minor bodies from JPL Horizons heliocentric vectors, Lilith as mean apogee. Dominance is an AsterNym score — rulerships, dispositors, aspect count — so other methods can name a different leader.
Portrait by Kenneth C. Zirkel, CC BY-SA 3.0, via Wikimedia Commons.
The same Leon Cooper at Wikipedia and MusicBrainz.
Roster last reviewed September 10, 2026. The full method: how it works.
Traditional interpretations, not facts or predictions, and not endorsed by Leon Cooper.
Quick answers about Leon Cooper’s chart
- What zodiac sign was Leon Cooper?
- Leon Cooper was a Pisces: born February 28, 1930, which puts the Sun in Pisces for the whole of that day.
- What was Leon Cooper's Chinese zodiac animal?
- The Horse, with the Metal element, from the Chinese lunar year of the February 28, 1930 birth.
- What was Leon Cooper's Life Path number?
- Life Path 7, calculated in numerology.
- What was Leon Cooper's Chiron sign?
- Chiron in Taurus at 10°. Position from JPL Horizons.
- Where was Leon Cooper's Black Moon Lilith?
- Mean Black Moon Lilith in Aquarius at 1°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
- What was Leon Cooper's dominant planet?
- Neptune, on AsterNym's dominance score (7 points: rules the Sun sign, Pisces; disposes Sun, Venus; 2 major aspects). Sun is second and Saturn third. Other sites weight rulerships and aspects differently and can name a different leader.
