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Portrait of René Thom

René Thom

René Thom (born September 2, 1923, Montbéliard, France; died 2002), was a French mathematician. Thom is best remembered for Thom–Sebastiani Theorem, Thom's second isotopy lemma and Thom's first isotopy lemma. Thom's honours include Fields medal, National Order of Scientific Merit and Brouwer Medal.

René Thom’s zodiac sign was Virgo, Chinese zodiac was Water Pig, with Life Path 8 in numerology.

Your match with René

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René Thom’s AsterNym identity

The Steadfast Storyteller

Earth represents stability. Earth-led charts are associated with patience, responsibility and the ability to make people or projects feel supported. Life Path 8 represents mastery: ambition, resources and turning sustained effort into visible results.

Earth Day Master (BaZi) × mutable Sun × Life Path 8, on the mental plane.

What René’s name adds up to

Worked from the name as published, letter by letter.

8

Expression · direction and scale

7

Soul Urge · understanding

1

Personality · self-directed

The name opens on R (9) and closes on E (5). The value it repeats most is 5, which numerology reads as movement.

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

René’s lucky numbers, colours and stones

Traditional correspondences, calculated not chosen.

Lucky numbers

8 · 2 · 5

Lucky colours

Blue & Black

Lucky day

Wednesday

Direction

↑ North

Season

winter

Stones

Sapphire, Emerald, Aquamarine

Flower constellation

⭐ Aster · 💜 Lavender · 🪷 Lotus

Lavender · Lilac · Soft pink

The record

What sets René apart

Keir Starmer (1962) and Keanu Reeves (1964) share the birthday in another year, so the sun sits where it sits here.

What the chart says

René, according to the stars

Core essence

René notices. That is the whole thing: the detail everyone else walked past, the small fix that makes the day work, the way you looked slightly off when you said you were fine. The core of René is devotion expressed as usefulness. They love by improving things, and they are far kinder to other people than to themselves.

How René wants to be loved

René wants to be loved attentively. Venus in Virgo shows love through service, the fixed thing, the remembered appointment, and wants to be loved the same way: notice what they did. Big words matter less than the follow-through. Be reliable with René and they will quietly make your whole life run better.

How René creates

How René makes things happen: they are the ground everyone else stands on. A Yang Earth day master is the mountain, reliable, slow to move, immovable once it has. René creates by holding: the plan, the people, the standard. They are trusted before they have said a word, and the work is remembering that mountains are allowed to want things too.

Instinct

Instinct: René 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 Water year softens it: intuitive, adaptable, feeling their way through people.

Purpose

Purpose: Life Path 8 is the powerhouse. René is here to build something big and run it well: money, influence, a body of work with their name on it. Ambitious, capable, generous when winning, and learning that power is for lifting people.

Triggers

Triggers: sloppiness, and being told they are overthinking it. Mars in Virgo means René channels energy into fixing, sorting, getting it right, and gets sharp when others do not care. The critic turns inward first. Give them a problem worth solving and watch them come alive.

Computed from René's birth date. Working below.

Where René sits

Six lines

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

Intimate circleWide network
René

You likely balance a tight inner circle with a wider orbit you dip into.

DeliberateSpontaneous
René

You likely think things through before you act. Haste rarely feels safe.

PrivateExpressive
René

You likely share some feelings openly and keep others to yourself.

Cool off firstResolve immediately
René

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

PracticalVisionary
René

You may favor what's proven and workable over the untested idea.

Gradual trustImmediate chemistry
René

You may build trust slowly, letting closeness earn its way in.

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 René Thom

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

René’s birth-night reference starFawarisblue-white · CygnusFawaris, in Cygnus. A blue-white star, 84° above the horizon at 9 p.m. local time, the bright star nearest the zenith.Dedicate Fawaris →The warmest lightMirfakyellow-white · PerseusMirfak, in Perseus. A yellow-white star, 19.3° above the horizon at 9 p.m. local time, the warmest-toned bright star up that night.Dedicate Mirfak →

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

The sky over Montbéliard that night

Computed for 47.51°N, 9 p.m. local sky.

Fawaris stood nearest the zenith over Montbéliard at 9 p.m. that evening, 84.0° above the horizon in Cygnus.

The brightest star above the horizon was Arcturus in Boötes, and 87 catalog stars were up in all.

From 47.5°N, Capella and Deneb never go below the horizon: they are circumpolar at this latitude.

Canopus, Rigil Kentaurus, Achernar, Hadar, Acrux, Mimosa and Toliman cannot be seen from Montbéliard at all: they sit past the −42.5° declination limit this latitude imposes.

Sun 17° below the horizon, Moon down and 57% lit at last quarter.

How unusual René's chart is

Chart pattern score

55 / 100 · Unusual

3-planet stellium in Virgo · Grand trine · 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 →

René Thom at a glance

Virgo Sun

Helps by correcting.

René Thom's Sun was in Virgo for the whole of September 2, 1923, so no birth time is needed to settle it.

What Virgo means →

Water Pig

Assumes the best. Usually right.

René Thom was born on September 2, 1923, which falls in a Water Pig year of the Chinese calendar.

What the Pig means →

Life Path 8

Ambition with a spreadsheet.

René Thom's birth date, September 2, 1923, reduces to Life Path 8 under the numerology method AsterNym uses.

What Life Path 8 means →

What stands out in René’s chart

René’s birth chart

Reference chart · birth time unknown

Positions are checked across the whole date. The Moon ranges from 21° to 3° Taurus or Gemini depending on the hour.

AriesTaurusGeminiCancerLeoVirgoLibraScorpioSagittariusCapricornAquariusPisces123456789101112Saturn opens doors for Neptune · Sextile, 0.9° orbJupiter flows with Pluto · Trine, 1.5° orbSun fuses with Venus · Conjunction, 2.2° orbJupiter flows with Uranus · Trine, 2.3° orbSun opens doors for Pluto · Sextile, 3.1° orbMoon grinds against Mars · Square, 3.8° orbUranus flows with Pluto · Trine, 3.8° orbSun opens doors for Jupiter · Sextile, 4.6° orbSun in Virgo · 8°56′☉8°Moon in Taurus · 27°06′☽27°Mercury in Libra · 6°00′☿6°Venus in Virgo · 6°46′♀6°Mars in Virgo · 0°54′♂0°Jupiter in Scorpio · 13°33′♃13°Saturn in Libra · 17°50′♄17°Uranus in Pisces · 15°51′ · retrograde♅℞15°Neptune in Leo · 18°42′♆18°Pluto in Cancer · 12°03′♇12°

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

  • stableSaturnsextileNeptune0.8° to 0.9° orb

    René’s discipline opens doors for their imagination. Nothing happens until someone makes the first move.

  • stableJupitertrinePluto1.4° to 1.6° orb

    René’s growth flows straight into their depths.

  • stableSunconjunctionVenus2.0° to 2.3° orb

    René’s core identity and affections act as one. Each makes the other louder.

  • stableJupitertrineUranus2.2° to 2.4° orb

  • stableSunsextilePluto2.6° to 3.6° orb

  • stableUranustrinePluto3.8° orb

  • stableJupitersquareNeptune5.1° to 5.2° orb

  • stableMercurysquarePluto5.6° to 6.5° orb

  • stableVenusconjunctionMars5.6° to 6.2° orb

  • stableSaturnsquarePluto5.7° to 5.8° orb

  • stableSunoppositionUranus6.4° to 7.4° orb

  • possibleMoonsquareMarsorb from 0.0° to 9.4° depending on birth time

Chart signature

Elements

  • Fire1 of 10
  • Earth4 of 10
  • Air2 of 10
  • Water3 of 10

Modalities

  • Cardinal3 of 10
  • Fixed3 of 10
  • Mutable4 of 10

Counted across the ten planets by sign: Earth leads this chart.

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

What astrologers make of these five, at noon values.

  • ⚷ Chiron ℞Aries 20°25′ (moves 0.03° over the day)

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

  • ⚳ Ceres ℞Aquarius 1°19′ (moves 0.11° over the day)

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

  • ♡ ErosGemini 15°01′ (moves 0.75° over the day)

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

  • ⚕ Hygiea ℞Pisces 9°00′ (moves 0.20° over the day)

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

  • ⚸ Black Moon LilithTaurus 7°25′ (moves 0.11° over the day)

    mean lunar apogee · the part that refuses to be tamed

Aspects to the asteroids and Lilith

  • Hygiea opposition Sun 0.1°
  • Black Moon Lilith trine Venus 0.6°
  • Eros square Uranus 0.8°
  • Black Moon Lilith trine Sun 1.5°
  • Chiron trine Neptune 1.7°
  • Hygiea opposition Venus 2.2°
  • Chiron opposition Saturn 2.6°
  • Eros trine Saturn 2.8°

René’s dominant planets

  1. 1. ☿ Mercury7 pts

    rules the Sun sign, Virgo; disposes Sun, Venus, Mars; 1 major aspect

  2. 2. ♇ Pluto6 pts

    disposes Jupiter; 5 major aspects

  3. 3. ☉ Sun4 pts

    disposes Neptune; 3 major aspects

Configurations in René’s chart

  • stellium, the shape it makesStellium in Virgo · Sun, Venus, MarsThree or more planets in one sign (four, or three with a luminary, by AsterNym's count): a concentration astrologers read as that sign's themes dominating the chart.
  • grand trine, the shape it makesGrand trine · Jupiter, Uranus, PlutoThree planets each 120° apart, a closed triangle of trines. Astrologers read it as ease and talent that can go unexercised.

Minor aspects

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

  • Mars quintile Jupiter 0.7°
  • Mercury semi-sextile Venus 0.8°
  • Mars semi-square Saturn 1.9°
  • Saturn quincunx Uranus 2.0°

More people like René

Other mathematicians

Born in France

More charts like René’s

Fellow Virgo suns

All about Virgo →

Born in Pig years

  • VSouth Korean singer, actor and dancer
  • MorrisseyBritish singer and songwriter
  • O. J. SimpsonAmerican football player and actor
Year of the Pig →

Also born on September 2

Fellow Yang Earth day masters

What a Day Master is →

Other Virgo Pig charts

Other Steadfast Storytellers

The Steadfast Storyteller explained →

Famous people with Life Path 8

Life Path numbers explained →

From the journal: Why your Chinese sign might be wrong · What is feng shui?

René’s cards

Computed from September 2, 1923. Tap to flip.

Birth tarot card

The Star

AsterNym identity card

The Steadfast Storyteller

Western zodiac

Virgo

Chinese zodiac

Pig 亥

Life Path

8 · Achiever

☿ Ruled by Mercury

Quicksilver Hg

The working: BaZi pillarsshow

BaZi pillars

Day Master: yang Earth.

Year

癸

yin Water

亥

Pig

Water

roots & early life

Month

庚

yang Metal

申

Monkey

Metal

work & drive

Day

day master

戊

yang Earth

寅

Tiger

Wood

you & partnership

Where this comes from, and how it is worked out

René’s birth date and birthplace come from Wikidata Q164428 (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 Konrad Jacobs, Erlangen, CC BY-SA 2.0 de, via Wikimedia Commons.

The same René Thom at Wikipedia.

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

Traditional interpretations, not facts or predictions, and not endorsed by René Thom.

Quick answers about René Thom’s chart

What zodiac sign was René Thom?
René Thom was a Virgo: born September 2, 1923, which puts the Sun in Virgo for the whole of that day.
What was René Thom's Chinese zodiac animal?
The Pig, with the Water element, from the Chinese lunar year of the September 2, 1923 birth.
What was René Thom's Life Path number?
Life Path 8, calculated in numerology.
What was René Thom's Chiron sign?
Chiron in Aries at 20°. Position from JPL Horizons.
Where was René Thom's Black Moon Lilith?
Mean Black Moon Lilith in Taurus at 7°. This is the mean lunar apogee; the osculating Lilith some tables use can sit up to 30° away.
What was René Thom's dominant planet?
Mercury, on AsterNym's dominance score (7 points: rules the Sun sign, Virgo; disposes Sun, Venus, Mars; 1 major aspect). Pluto is second and Sun third. Other sites weight rulerships and aspects differently and can name a different leader.

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