Johannes Holtfreter was a German-American embryologist, born on January 9, 1901, and passed away on November 13, 1992. He studied Natural Sciences at several universities and earned his doctorate under Hans Spemann in Freiburg. Holtfreter made significant contributions to embryology, including the development of culture solutions that improved frog embryo viability and sterile techniques to avoid contamination. He held professorships in Munich and Rochester and was a member of several scientific academies. Holtfreter faced challenges during the Nazi regime, leading to his emigration to the United States.
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Age (Today)
Your next birthday is 362 days away.
Death Anniversary
Next death anniversary is 305 days away.
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Meaning of the name - Johannes
God is gracious, Yahweh is gracious
Read Full Johannes Name AnalysisJanuary 9, 1901 Facts
Generation Group
Johannes Holtfreter belongs to the GI Generation group.
Place of Birth: Richtenberg
Place of Death: Rochester
Educated At: University of Rostock | University of Leipzig | Albert-Ludwigs-Universität Freiburg
Occupation: biologist
Spouses: Hiroko Holtfreter
Employers: University of Rochester
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 January 9, 1901
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on January 9, 2026 | Secondary Progressions for January 9, 2026 |
|---|---|---|---|
| Sun | 18 Capricorn 46 | 19 Capricorn 26 | 23 Taurus 10 |
| Moon | 14 Virgo 23 | 8 Libra 44 | 3 Aries 50 |
| Mercury | 11 Capricorn 11 | 12 Capricorn 10 | 23 Taurus 10 |
| Venus | 21 Sagittarius 34 | 20 Capricorn 10 | 26 Taurus 48 |
| Mars | 12 Virgo 27 | 19 Capricorn 23 | 1 Virgo 11 |
| Jupiter | 27 Sagittarius 42 | 20 Cancer 12 | 12 Capricorn 28 |
| Saturn | 9 Capricorn 12 | 26 Pisces 38 | 16 Capricorn 39 |
| Uranus | 14 Sagittarius 45 | 27 Taurus 44 | 15 Sagittarius 45 |
| Neptune | 27 Gemini 16 | 29 Pisces 37 | 27 Gemini 38 |
| Pluto | 16 Gemini 7 | 2 Aquarius 59 | 16 Gemini 37 |
| Rahu | 29 Scorpio 21 | 11 Pisces 42 | 22 Scorpio 44 |
| Ketu | 29 Taurus 21 | 11 Virgo 42 | 22 Taurus 44 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
