John Williams Calkin, known as Jack, was an American mathematician born on October 11, 1909, in New Rochelle, New York, and died on August 5, 1964. He specialized in functional analysis and earned his Bachelor's degree from Columbia University in 1933 and a Master's from Harvard University in 1934, where he completed his Ph.D. under Marshall Stone in 1937. Calkin worked at the Institute for Advanced Study and was involved in military applications during World War II. He is remembered for the Calkin algebra in functional analysis and contributed to the development of the hydrogen bomb.
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Age (Today)
Your next birthday is 331 days away.
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Time Zone - America/New_York (5:0 W)
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Meaning of the name - John
God is gracious
Read Full John Name AnalysisOctober 11, 1909 Facts
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John Williams Calkin belongs to the GI Generation group.
Place of Birth: New Rochelle
Place of Death: Westhampton
Educated At: Columbia University | Harvard University
Occupation: mathematician
Children: Brant Calkin
Employers: Los Alamos National Laboratory | Rice University | Illinois Institute of Technology | University of New Hampshire
Awards Received: Guggenheim Fellowship
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 October 11, 1909
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on October 11, 2025 | Secondary Progressions for October 11, 2025 |
|---|---|---|---|
| Sun | 17 Libra 44 | 18 Libra 38 | 15 Aquarius 2 |
| Moon | 19 Virgo 5 | 21 Gemini 40 | 9 Sagittarius 29 |
| Mercury | 19 Libra 48 | 7 Scorpio 24 | 26 Capricorn 57 |
| Venus | 29 Scorpio 12 | 27 Virgo 18 | 27 Aquarius 29 |
| Mars | 26 Pisces 32 | 13 Scorpio 13 | 7 Taurus 19 |
| Jupiter | 29 Virgo 46 | 23 Cancer 38 | 14 Libra 15 |
| Saturn | 20 Aries 30 | 26 Pisces 52 | 18 Aries 49 |
| Uranus | 17 Capricorn 11 | 0 Gemini 58 | 22 Capricorn 30 |
| Neptune | 19 Cancer 19 | 0 Aries 15 | 17 Cancer 13 |
| Pluto | 26 Gemini 51 | 1 Aquarius 21 | 25 Gemini 2 |
| Rahu | 10 Gemini 4 | 16 Pisces 28 | 3 Gemini 55 |
| Ketu | 10 Sagittarius 4 | 16 Virgo 28 | 3 Sagittarius 55 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
