Michael T. Ghiselin is an American biologist, philosopher, and historian of biology born in Salt Lake City on May 13, 1939. He is a member of the California Academy of Sciences and has extensively studied Charles Darwin, publishing works about him. Ghiselin's research focuses on the fundamental units of biology, such as species and taxon, and their influence on evolutionary thinking and sex allocation theory.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 327 days away.
Place of Birth
Time Zone - America/Denver (7:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Michael
Who is like God?
Read Full Michael Name AnalysisMay 13, 1939 Facts
Generation Group
Michael Ghiselin belongs to the Silent Generation group.
Place of Birth: Salt Lake City
Educated At: University of Utah | Stanford University
Occupation: philosopher | university teacher | biologist
Employers: Utah State University | University of California, Berkeley | University of Utah | Harvard University
Awards Received: Pfizer Award | MacArthur Fellows Program | 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 May 13, 1939
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on May 13, 2025 | Secondary Progressions for May 13, 2025 |
|---|---|---|---|
| Sun | 22 Taurus 6 | 23 Taurus 16 | 14 Leo 21 |
| Moon | 17 Pisces 47 | 5 Sagittarius 14 | 7 Taurus 14 |
| Mercury | 28 Aries 49 | 5 Taurus 42 | 19 Leo 24 |
| Venus | 21 Aries 48 | 8 Aries 52 | 6 Leo 24 |
| Mars | 26 Capricorn 8 | 11 Leo 42 | 25 Capricorn 40 |
| Jupiter | 0 Aries 23 | 24 Gemini 1 | 8 Aries 36 |
| Saturn | 25 Aries 5 | 28 Pisces 58 | 1 Taurus 23 |
| Uranus | 18 Taurus 6 | 27 Taurus 4 | 21 Taurus 48 |
| Neptune | 20 Virgo 38 | 1 Aries 27 | 21 Virgo 40 |
| Pluto | 29 Cancer 26 | 3 Aquarius 47 | 1 Leo 27 |
| Rahu | 7 Scorpio 50 | 24 Pisces 27 | 3 Scorpio 17 |
| Ketu | 7 Taurus 50 | 24 Virgo 27 | 3 Taurus 17 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Michael Ghiselin's 2025 Transits to Natal Planets
- Mars opposition Mars
Exact: 11 January, 2025 - Rahu conjunction Jupiter
Exact: 11 January, 2025 - Saturn conjunction Moon
Exact: 10 February, 2025 - Saturn sextile Sun
Exact: 22 March, 2025 - Mars opposition Mars
Exact: 11 April, 2025 - Jupiter trine Rahu
Exact: 20 July, 2025 - Mars aspects Saturn
Exact: 30 July, 2025 - Mars opposition Jupiter
Exact: 09 August, 2025 - Saturn conjunction Jupiter
Exact: 09 August, 2025 - Mars aspects Ketu
Exact: 19 August, 2025 - Rahu conjunction Moon
Exact: 29 August, 2025 - Jupiter trine Moon
Exact: 08 September, 2025
