Jan Camiel Willems was a Belgian mathematical systems theorist born on September 18, 1939, in Bruges. He studied at Ghent University and the University of Rhode Island, earning his Ph.D. in Electrical Engineering from MIT in 1968. He served as an Assistant Professor until 1973 and then became a Professor of System and Control Theory at the University of Groningen, retiring in 2003. Willems introduced the concept of dissipative dynamic systems and developed a behavioral approach to system theory. He was an editor for various journals and earned several fellowships and an honorary doctorate.
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Age (Today)
Your next birthday is 359 days away.
Death Anniversary
Next death anniversary is 23 days away.
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Place of Birth
Time Zone - Europe/Brussels (1:0 E)
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Meaning of the name - Jan
Read Full Jan Name AnalysisSeptember 18, 1939 Facts
Generation Group
Jan Camiel Willems belongs to the Silent Generation group.
Place of Birth: Bruges
Educated At: University of Rhode Island | Ghent University | United States Army War College | Massachusetts Institute of Technology
Occupation: university teacher | mathematician | engineer
Employers: University of Groningen | Massachusetts Institute of Technology
Awards Received: Fellow of the International Federation of Automatic Control | Fellow of the Society for Industrial and Applied Mathematics | Fellow of the American Mathematical Society | IEEE Fellow
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 September 18, 1939
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on September 18, 2025 | Secondary Progressions for September 18, 2025 |
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Sun | 24 Virgo 37 | 25 Virgo 47 | 20 Sagittarius 32 |
Moon | 1 Sagittarius 10 | 16 Leo 10 | 20 Capricorn 50 |
Mercury | 21 Virgo 2 | 0 Libra 4 | 29 Scorpio 45 |
Venus | 28 Virgo 2 | 28 Leo 42 | 15 Capricorn 16 |
Mars | 28 Capricorn 6 | 27 Libra 25 | 15 Pisces 29 |
Jupiter | 4 Aries 56 | 20 Cancer 46 | 29 Pisces 24 |
Saturn | 0 Taurus 22 | 28 Pisces 36 | 24 Aries 46 |
Uranus | 21 Taurus 48 | 1 Gemini 25 | 18 Taurus 47 |
Neptune | 23 Virgo 8 | 0 Aries 53 | 25 Virgo 27 |
Pluto | 2 Leo 27 | 1 Aquarius 30 | 2 Leo 35 |
Rahu | 1 Scorpio 5 | 17 Pisces 42 | 26 Libra 32 |
Ketu | 1 Taurus 5 | 17 Virgo 42 | 26 Aries 32 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
