Paul D. MacLean was an American physiologist, physician, and neuroscientist known for his exploration of the brain's structure and function. He was born on May 1, 1913, in Ontario County, United States. MacLean is particularly recognized for developing the triune brain theory, which posits that the human brain consists of three distinct systems that evolved during different stages of evolution. He passed away on December 26, 2007, in Potomac, Maryland, United States.
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Sunsign, Tropical Zodiac
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Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 286 days away.
Death Anniversary
Next death anniversary is 160 days away.
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Place of Birth
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Meaning of the name - Paul
small, humble
Read Full Paul Name AnalysisMay 1, 1913 Facts
Generation Group
Paul D. MacLean belongs to the GI Generation group.
Place of Birth: Phelps, New York
Place of Death: Potomac
Educated At: Yale School of Medicine | University of Edinburgh | Yale University
Occupation: neuroscientist | physiologist | physician
Employers: National Institute of Mental Health | Yale School of Medicine | University of Zurich
Awards Received: Karl Spencer Lashley Award
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 1, 1913
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on May 1, 2026 | Secondary Progressions for May 1, 2026 |
|---|---|---|---|
| Sun | 10 Taurus 42 | 11 Taurus 20 | 28 Leo 58 |
| Moon | 18 Pisces 11 | 11 Scorpio 1 | 2 Taurus 39 |
| Mercury | 14 Aries 38 | 27 Aries 19 | 10 Leo 33 |
| Venus | 0 Taurus 16 | 9 Gemini 9 | 18 Cancer 49 |
| Mars | 25 Pisces 5 | 16 Aries 54 | 15 Gemini 48 |
| Jupiter | 17 Capricorn 31 | 19 Cancer 1 | 7 Capricorn 57 |
| Saturn | 4 Gemini 35 | 9 Aries 7 | 17 Gemini 27 |
| Uranus | 7 Aquarius 28 | 0 Gemini 19 | 4 Aquarius 35 |
| Neptune | 23 Cancer 25 | 3 Aries 16 | 26 Cancer 58 |
| Pluto | 28 Gemini 27 | 5 Aquarius 30 | 0 Cancer 51 |
| Rahu | 1 Aries 20 | 5 Pisces 46 | 25 Pisces 21 |
| Ketu | 1 Libra 20 | 5 Virgo 46 | 25 Virgo 21 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
