Willem van Zwet (March 31, 1934 – July 2, 2020) was a Dutch mathematician known for his work in mathematical statistics. He completed his PhD in 1964 under Jan Hemelrijk at the University of Amsterdam. He served as a professor of statistics at Leiden University from 1965, attaining full professorship in 1968. Van Zwet was the director of the Thomas Stieltjes Institute for Mathematics from 1992 to 1999, and he co-founded the Eurandom Institute in 1997. He received numerous accolades, including the Humboldt Research Award in 2006 and was a fellow of various prestigious societies.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
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Death Anniversary
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Place of Birth
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Meaning of the name - Willem
resolute protector, helmet of will
Read Full Willem Name AnalysisMarch 31, 1934 Facts
Generation Group
Willem van Zwet belongs to the Silent Generation group.
Place of Birth: Leiden
Place of Death: Oegstgeest
Educated At: University of Amsterdam
Occupation: mathematical statistician | university teacher
Employers: Leiden University
Awards Received: Fellow of the American Statistical Association | Fellow of the Institute of Mathematical Statistics | Fellow of the Royal Statistical Society
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.

Ephemeris for March 31, 1934
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on March 31, 2025 | Secondary Progressions for March 31, 2025 |
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Sun | 10 Aries 17 | 11 Aries 14 | 8 Cancer 11 |
Moon | 18 Libra 26 | 12 Taurus 59 | 27 Aquarius 7 |
Mercury | 12 Pisces 34 | 28 Pisces 55 | 23 Cancer 45 |
Venus | 25 Aquarius 4 | 27 Pisces 41 | 2 Gemini 42 |
Mars | 13 Aries 22 | 23 Cancer 30 | 19 Gemini 38 |
Jupiter | 19 Libra 1 | 15 Gemini 56 | 13 Libra 36 |
Saturn | 24 Aquarius 43 | 24 Pisces 22 | 27 Aquarius 57 |
Uranus | 26 Aries 23 | 24 Taurus 45 | 0 Taurus 53 |
Neptune | 10 Virgo 13 | 0 Aries 2 | 10 Virgo 1 |
Pluto | 22 Cancer 31 | 3 Aquarius 32 | 23 Cancer 51 |
Rahu | 16 Aquarius 49 | 26 Pisces 44 | 12 Aquarius 0 |
Ketu | 16 Leo 49 | 26 Virgo 44 | 12 Leo 0 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
