John Rolfe Isbell was an American topologist and mathematician known for his contributions to the field. He was born on October 27, 1930, and passed away on August 6, 2005. Isbell's work primarily focused on topology, a branch of mathematics concerned with the properties of space that are preserved under continuous transformations. His research has influenced many areas of mathematics and he is recognized for his academic contributions.
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Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 354 days away.
Death Anniversary
Next death anniversary is 92 days away.
Death Date
Place of Birth
Time Zone - America/Los_Angeles (8:0 W)
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Meaning of the name - John
God is gracious
Read Full John Name AnalysisOctober 27, 1930 Facts
Generation Group
John R. Isbell belongs to the Silent Generation group.
Place of Birth: Portland
Educated At: University of Chicago | Princeton University
Occupation: topologist | mathematician
Employers: Case Western Reserve University | University at Buffalo | University of Washington
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 27, 1930
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on October 27, 2025 | Secondary Progressions for October 27, 2025 |
|---|---|---|---|
| Sun | 3 Scorpio 41 | 4 Scorpio 39 | 9 Aquarius 59 |
| Moon | 16 Capricorn 33 | 13 Capricorn 39 | 26 Gemini 24 |
| Mercury | 27 Libra 2 | 28 Scorpio 17 | 15 Capricorn 11 |
| Venus | 6 Sagittarius 50 | 17 Libra 21 | 23 Sagittarius 11 |
| Mars | 3 Leo 21 | 24 Scorpio 31 | 5 Leo 41 |
| Jupiter | 20 Cancer 8 | 24 Cancer 48 | 12 Cancer 15 |
| Saturn | 7 Capricorn 21 | 25 Pisces 53 | 17 Capricorn 26 |
| Uranus | 12 Aries 33 | 0 Gemini 26 | 12 Aries 7 |
| Neptune | 5 Virgo 18 | 29 Pisces 52 | 5 Virgo 3 |
| Pluto | 20 Cancer 53 | 1 Aquarius 24 | 19 Cancer 23 |
| Rahu | 23 Aries 3 | 15 Pisces 37 | 18 Aries 1 |
| Ketu | 23 Libra 3 | 15 Virgo 37 | 18 Libra 1 |
Chandra Kundali (Equal House, North Indian Diamond Chart)