John Henry Manley was an American physicist born on July 21, 1907, in Illinois. He worked alongside Robert Oppenheimer at the University of California, Berkeley, and later became a prominent leader in the Manhattan Project, which was a pivotal research initiative during World War II focused on developing nuclear weapons. His contributions to physics and his involvement in such a significant project mark him as an important figure in American scientific history.
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Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 350 days away.
Death Anniversary
Next death anniversary is 54 days away.
Death Date
Place of Birth
Time Zone - America/Chicago (6:0 W)
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Meaning of the name - John
God is gracious
Read Full John Name AnalysisJuly 21, 1907 Facts
Generation Group
John H. Manley belongs to the GI Generation group.
Place of Birth: Harvard
Place of Death: Los Alamos
Educated At: University of Illinois at Urbana–Champaign | University of Michigan
Occupation: nuclear physicist | university teacher | physicist
Employers: Washington University in St. Louis | University of Washington | University of Illinois at Urbana–Champaign | Columbia University
Awards Received: Fellow of the American Physical Society | 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 July 21, 1907
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on July 21, 2025 | Secondary Progressions for July 21, 2025 |
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Sun | 27 Cancer 48 | 29 Cancer 13 | 23 Scorpio 14 |
Moon | 9 Sagittarius 33 | 18 Gemini 53 | 14 Aries 17 |
Mercury | 3 Leo 23 | 15 Leo 3 | 18 Scorpio 5 |
Venus | 12 Cancer 47 | 19 Gemini 11 | 9 Sagittarius 20 |
Mars | 9 Capricorn 12 | 20 Virgo 3 | 21 Aquarius 33 |
Jupiter | 23 Cancer 38 | 9 Cancer 29 | 13 Leo 3 |
Saturn | 27 Pisces 49 | 1 Aries 45 | 21 Pisces 15 |
Uranus | 9 Capricorn 58 | 0 Gemini 36 | 10 Capricorn 7 |
Neptune | 12 Cancer 58 | 2 Aries 5 | 14 Cancer 40 |
Pluto | 24 Gemini 5 | 2 Aquarius 39 | 24 Gemini 21 |
Rahu | 23 Cancer 7 | 20 Pisces 48 | 16 Cancer 52 |
Ketu | 23 Capricorn 7 | 20 Virgo 48 | 16 Capricorn 52 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
