Johan Cornelis Hendrik Gerretsen (1907-1983) was a Dutch mathematician known for his contributions to mathematics and education. He studied at the University of Groningen, earning his degree in 1930, and became a teacher until 1945. Gerretsen completed his doctorate in 1939 and later served as a professor from 1946 until his retirement in 1977. He was also instrumental in introducing computers at the University of Groningen, enhancing the application of mathematics in various fields.
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Age (Today)
Your next birthday is 178 days away.
Death Anniversary
Next death anniversary is 42 days away.
Death Date
Place of Birth
Time Zone - Europe/Amsterdam (0:0 W)
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Meaning of the name - Johan
God is gracious
Read Full Johan Name AnalysisMay 20, 1907 Facts
Generation Group
Johan Gerretsen belongs to the GI Generation group.
Place of Birth: Winschoten
Place of Death: Smalle Ee bij Drachten
Educated At: University of Groningen
Occupation: university teacher
Employers: University of Groningen
Astrology Analysis
Ephemeris for May 20, 1907
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on May 20, 2024 | Secondary Progressions for May 20, 2024 |
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Sun | 28 Taurus 19 | 29 Taurus 58 | 20 Virgo 31 |
Moon | 27 Leo 27 | 24 Libra 39 | 12 Sagittarius 0 |
Mercury | 23 Taurus 37 | 6 Taurus 26 | 26 Virgo 52 |
Venus | 27 Aries 26 | 25 Taurus 53 | 20 Virgo 22 |
Mars | 17 Capricorn 25 | 15 Aries 12 | 15 Capricorn 13 |
Jupiter | 10 Cancer 14 | 28 Taurus 42 | 5 Leo 7 |
Saturn | 25 Pisces 52 | 18 Pisces 2 | 24 Pisces 50 |
Uranus | 12 Capricorn 15 | 23 Taurus 32 | 8 Capricorn 42 |
Neptune | 10 Cancer 47 | 29 Pisces 26 | 14 Cancer 33 |
Pluto | 22 Gemini 40 | 2 Aquarius 1 | 24 Gemini 47 |
Rahu | 26 Cancer 25 | 13 Aries 26 | 20 Cancer 13 |
Ketu | 26 Capricorn 25 | 13 Libra 26 | 20 Capricorn 13 |
Chandra Kundali (Equal House, North Indian Diamond Chart)