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Portrait of Grigori Perelman

Grigori Perelman

Grigori Perelman (born June 13, 1966, Saint Petersburg, Russia), aged 60, is a Russian mathematician (born 1966). Perelman is best known for soul theorem, geometrization conjecture and Poincaré conjecture. Perelman's honours include Fields medal, Millennium Problems and EMS Prize.

Grigori Perelman’s zodiac sign is Gemini, Chinese zodiac is Fire Horse, with Life Path 5 in numerology.

Your match with Grigori

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Grigori Perelman’s AsterNym identity

The Tidal Explorer

Water represents depth and adaptability. Water-led charts are associated with instinct, memory and the ability to find a path around obstacles. Life Path 5 represents freedom: change, movement, variety and resistance to restrictive routines.

Water Day Master (BaZi) × mutable Sun × Life Path 5, on the physical plane.

What Grigori’s name adds up to

Worked from the name as published, letter by letter.

5

Expression · versatility

8

Soul Urge · achievement

6

Personality · caring, responsible

The name opens on G (7) and closes on I (9). The value it repeats most is 9, which numerology reads as empathy.

Pythagorean letter values · A=1 to I=9, then J=1 again

Grigori’s lucky numbers, colours and stones

Traditional correspondences, calculated not chosen.

Lucky numbers

5 · 2 · 3 · 7

Lucky colours

Red & Orange

Lucky day

Wednesday

Direction

↓ South

Season

summer

Stones

Pearl, Emerald, Carnelian

Flower constellation

🌹 Rose · 💜 Lavender · 🌺 Poppy

Rose pink · Lilac · Flame orange

Eight Mansions · Kua number

Kua 6, trigram Qian 乾, West group. Best direction West, worst Southeast.

A different tradition from the Direction above, and a different question: feng shui reads it from the solar year 1966, which turns at Li Chun rather than at New Year, and from sex, which Wikidata records as male. Work out your own →

The record

What sets Grigori apart

The record Grigori Perelman is measured by: geometrization conjecture, soul theorem and Poincaré conjecture.

Grigori Perelman was taught at Mathematics and Mechanics Faculty, St. Petersburg State University and Saint Petersburg Lyceum 239.

On the family side, Grigori Perelman was born to Lyubov Steingolts and Yakov Perelman.

Wikipedia files Grigori Perelman under Mathematicians from Saint Petersburg, New York University staff and Jewish Russian scientists.

Ben Horowitz shares the birth date exactly, so the chart below is nearly the same document for them both. What follows the chart is where they part.

Known for
geometrization conjecture, soul theorem and Poincaré conjecture
Educated at
Mathematics and Mechanics Faculty, St. Petersburg State University and Saint Petersburg Lyceum 239
Awards
Fields medal (2006), Millennium Problems (2010) and EMS Prize (1996)
Citizenship
Russia and Soviet Union
Languages
English and Russian
Wikipedia editions
80

What the chart says

Grigori, according to the stars

Core essence

Grigori is two conversations at once and somehow following both. Curiosity is the core of it: the quick question, the sideways joke, the friend who texts you an article at midnight because it reminded them of you. Grigori needs newness the way other people need sleep, and gives the people around them the gift of never being bored.

The vibe

Underneath, Grigori 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 Grigori needs to feel safe is honesty in real time and room to react. Say it straight, and they will always meet you there.

How Grigori wants to be loved

Grigori wants to be loved slowly and for real. Venus in Taurus is touch, food, the good blanket, the plan that does not change. They are sensual and steady and they want to be shown, not told: the small physical kindnesses count double. Once Grigori is yours, they stay, and they expect the same.

How Grigori creates

How Grigori makes things happen: they seep in. A Yin Water day master is rain, mist, the still pool that reflects everything. Grigori creates by sensing, by imagination, by noticing what nobody else said. Their influence is quiet and total. The work is not dissolving into everyone else's weather.

Instinct

Instinct: Grigori 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 Fire year turns the volume up: warmer, bolder, more expressive, harder to overlook.

Purpose

Purpose: Life Path 5 is the free spirit. Grigori is here to explore, to change, to taste everything and report back. Adventure, variety and freedom are not distractions from their purpose, they are it. The lesson is choosing, sometimes, and staying.

Triggers

Triggers: being bored, and being talked over. Mars in Gemini fights with words and wins, then forgets it happened. Grigori scatters energy across three projects at once and somehow finishes two. The trick is choosing the argument worth having.

Computed from Grigori's birth date. Working below.

Where Grigori sits

Six lines

Grigori’s dot comes from the chart; yours is where you put it.

Intimate circleWide network
Grigori

You may draw energy from a wide network, many doors, lightly held.

DeliberateSpontaneous
Grigori

You may leap first and adjust as you go. Waiting can feel like losing momentum.

PrivateExpressive
Grigori

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

Cool off firstResolve immediately
Grigori

You likely handle some friction right away and let smaller things settle.

PracticalVisionary
Grigori

You likely balance practical steps with room to imagine further.

Gradual trustImmediate chemistry
Grigori

You may feel connection fast. Chemistry can arrive before the details do.

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 Grigori Perelman

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

Grigori’s birth-night reference starMizarwhite · Ursa MajorMizar, in Ursa Major. A white star, 85.1° above the horizon at 9 p.m. local time, the bright star nearest the zenith.Dedicate Mizar →The warmest lightCapellagolden yellow · AurigaCapella, in Auriga. A golden yellow star, 25.6° above the horizon at 9 p.m. local time, the warmest-toned bright star up that night.Dedicate Capella →

A 9 p.m. reference sky, not the birth minute. Dedications are commemorative and confer no ownership of stars.

The sky over Saint Petersburg that night

Computed for 59.95°N, 9 p.m. local sky.

Mizar stood nearest the zenith over Saint Petersburg at 9 p.m. that evening, 85.1° above the horizon in Ursa Major.

The brightest star above the horizon was Arcturus in Boötes, and 93 catalog stars were up in all.

At 60.0°N there are stars that never set at all. Vega, Capella, Deneb and Castor stay up year round.

The trade is at the other end of the sky: nothing south of −30.0° declination ever rises from here, which puts Canopus, Rigil Kentaurus, Achernar, Hadar, Acrux, Mimosa and Toliman permanently out of view.

Sun -6° below the horizon, Moon down and 27% lit at waning crescent.

How unusual Grigori's chart is

Chart pattern score

32 / 100 · Quietly distinctive

1 unaspected planet · No Fire planets · 1 planet at a critical degree

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 →

Grigori Perelman at a glance

Gemini Sun

Four conversations, one person.

Grigori Perelman's Sun was in Gemini for the whole of June 13, 1966, so no birth time is needed to settle it.

What Gemini means →

Fire Horse

Happiest halfway there.

Grigori Perelman was born on June 13, 1966, which falls in a Fire Horse year of the Chinese calendar.

What the Horse means →

Life Path 5

Change finds them anyway.

Grigori Perelman's birth date, June 13, 1966, reduces to Life Path 5 under the numerology method AsterNym uses.

What Life Path 5 means →

What stands out in Grigori’s chart

Grigori’s birth chart

Reference chart · birth time unknown

Positions are checked across the whole date. The Moon ranges from 9° to 21° Aries depending on the hour.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Uranus fuses with Pluto · Conjunction, 0.2° orbVenus flows with Uranus · Trine, 1° orbVenus flows with Pluto · Trine, 1.3° orbMercury fuses with Jupiter · Conjunction, 2.3° orbNeptune opens doors for Pluto · Sextile, 4.1° orbMercury opens doors for Venus · Sextile, 4.3° orbUranus opens doors for Neptune · Sextile, 4.3° orbMars grinds against Uranus · Square, 4.8° orbSun in Gemini · 21°54′☉21°Moon in Aries · 15°52′☽15°Mercury in Cancer · 10°23′☿10°Venus in Taurus · 14°38′♀14°Mars in Gemini · 10°55′♂10°Jupiter in Cancer · 8°06′♃8°Saturn in Pisces · 29°02′♄29°Uranus in Virgo · 15°40′♅15°Neptune in Scorpio · 19°59′ · retrograde♆℞19°Pluto in Virgo · 15°53′♇15°

No birth time, so the houses are a solar chart: the Sun’s sign counts as house 1.

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 0°
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

  • stableUranusconjunctionPluto0.2° orb

    Grigori’s need for freedom and depths act as one. Each makes the other louder.

  • stableVenustrineUranus0.5° to 1.6° orb

    Grigori’s affections flow straight into their need for freedom.

  • stableVenustrinePluto0.7° to 1.8° orb

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

  • stableMercuryconjunctionJupiter1.5° to 3.0° orb

  • stableMercurysextileVenus4.0° to 4.5° orb

  • stableNeptunesextilePluto4.1° orb

  • stableUranussextileNeptune4.3° orb

  • stableMarssquareUranus4.4° to 5.1° orb

  • stableMarssquarePluto4.6° to 5.3° orb

  • stableVenusoppositionNeptune4.8° to 6.0° orb

  • stableSunsquarePluto5.5° to 6.5° orb

  • stableSunsquareUranus5.8° to 6.7° orb

Chart signature

Elements

  • Fire1 of 10
  • Earth3 of 10
  • Air2 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.

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

What astrologers make of these five, at noon values.

  • ⚷ ChironPisces 26°07′ (moves 0.01° over the day)

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

  • ⚳ CeresTaurus 27°06′ (moves 0.40° over the day)

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

  • ♡ ErosLeo 16°57′ (moves 0.90° over the day)

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

  • ⚕ HygieaVirgo 23°56′ (moves 0.19° over the day)

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

  • ⚸ Black Moon LilithPisces 8°05′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

Aspects to the asteroids and Lilith

  • Black Moon Lilith trine Jupiter 0.0°
  • Ceres sextile Saturn 1.9°
  • Hygiea square Sun 2.0°
  • Eros square Venus 2.3°
  • Black Moon Lilith trine Mercury 2.3°
  • Black Moon Lilith square Mars 2.8°
  • Chiron conjunction Saturn 2.9°

Grigori’s dominant planets

  1. 1. ☿ Mercury9 pts

    rules the Sun sign, Gemini; disposes Sun, Mars, Uranus, Pluto; 2 major aspects

  2. 2. ♀ Venus6 pts

    in its own sign, Taurus; 4 major aspects

  3. 3. ♇ Pluto6 pts

    disposes Neptune; 5 major aspects

Configurations in Grigori’s chart

No stellium, grand trine, T-square, grand cross, yod or kite — the common case.

Minor aspects

semi-sextile, semi-square, quintile, sesquiquadrate, biquintile, quincunx.

  • Mars quintile Saturn 0.1°
  • Mercury semi-sextile Mars 0.5°
  • Venus semi-square Saturn 0.6°
  • Sun quincunx Neptune 1.9°

Born the same day as Grigori

Ben Horowitz was born on June 13, 1966 too, the same date and the same year. With no birth time for any of them the chart is identical, not similar: the same Sun, the same pillars, the same Life Path. The sky over the birthplace is not shared: from Saint Petersburg, at 60.0°N, Vega, Capella, Deneb and Castor never set at all. Same sky, different lives.

More people like Grigori

Other mathematicians

Born in Russia

More charts like Grigori’s

Fellow Gemini suns

All about Gemini →

Born in Horse years

Year of the Horse →

Also born on June 13

Fellow Yin Water day masters

What a Day Master is →

Other Gemini Horse charts

Other Tidal Explorers

The Tidal Explorer explained →

Famous people with Life Path 5

Life Path numbers explained →

From the journal: Your Kua number, and why it splits households · Do twins have the same birth chart?

Grigori’s cards

Computed from June 13, 1966. Tap to flip.

Birth tarot card

The Hierophant

AsterNym identity card

The Tidal Explorer

Western zodiac

Gemini

Chinese zodiac

Horse 午

Life Path

5 · Explorer

☿ Ruled by Mercury

Quicksilver Hg

The working: BaZi pillarsshow

BaZi pillars

Day Master: yin Water.

Year

丙

yang Fire

午

Horse

Fire

roots & early life

Month

甲

yang Wood

午

Horse

Fire

work & drive

Day

day master

癸

yin Water

卯

Rabbit

Wood

you & partnership

Where this comes from, and how it is worked out

Grigori’s birth date and birthplace come from Wikidata Q117346 (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 George Bergman, CC BY-SA 4.0, via Wikimedia Commons.

The same Grigori Perelman at Wikipedia.

Roster last reviewed September 10, 2026. The full method: how it works.

Traditional interpretations, not facts or predictions, and not endorsed by Grigori Perelman.

Quick answers about Grigori Perelman’s chart

How old is Grigori Perelman?
Grigori Perelman is 60 years old, born June 13, 1966 in Saint Petersburg, Russia.
What zodiac sign is Grigori Perelman?
Grigori Perelman is a Gemini: born June 13, 1966, which puts the Sun in Gemini for the whole of that day.
What is Grigori Perelman's Chinese zodiac animal?
The Horse, with the Fire element, from the Chinese lunar year of the June 13, 1966 birth.
What is Grigori Perelman's Life Path number?
Life Path 5, calculated in numerology.
What is Grigori Perelman's Chiron sign?
Chiron in Pisces at 26°. Position from JPL Horizons.
Where is Grigori Perelman's Black Moon Lilith?
Mean Black Moon Lilith in Pisces at 8°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What is Grigori Perelman's dominant planet?
Mercury, on AsterNym's dominance score (9 points: rules the Sun sign, Gemini; disposes Sun, Mars, Uranus, Pluto; 2 major aspects). Venus is second and Pluto third. Other sites weight rulerships and aspects differently and can name a different leader.

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