Mary Belle Allen (November 11, 1922 – 1973) was an American botanist, chemist, mycologist, algologist, and plant pathologist, recognized for her pioneering contributions to biochemical microbiology. She conducted significant research with Daniel Arnon and F. Robert Watley on chloroplasts and their role in photosynthesis. In 1962, she received the Darby Award for her work on microbial algae. Allen was nominated for the Nobel Prize in 1976 alongside Arnon and Watley but did not win. Her scientific work is recognized by the abbreviation MB Allen in plant taxonomy.
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Sunsign, Tropical Zodiac
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Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 352 days away.
Death Anniversary
Next death anniversary is 326 days away.
Death Date
Place of Birth
Time Zone - America/New_York (5:0 W)
Chinese Zodiac Sign
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Meaning of the name - Mary
Read Full Mary Name AnalysisNovember 11, 1922 Facts
Generation Group
Mary Belle Allen belongs to the GI Generation group.
Place of Birth: Morristown
Place of Death: Fairbanks, Alaska
Educated At: University of Wisconsin–Madison
Occupation: phycologist | phytopathologist | science writer | botanist | mycologist | taxonomist | university teacher
Employers: Stanford University
Awards Received: Darby Award from the American Society of Plant Biologists (1962)
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 November 11, 1922
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on November 11, 2025 | Secondary Progressions for November 11, 2025 |
|---|---|---|---|
| Sun | 18 Scorpio 32 | 19 Scorpio 33 | 3 Pisces 3 |
| Moon | 10 Leo 35 | 13 Leo 9 | 18 Taurus 33 |
| Mercury | 4 Scorpio 15 | 6 Sagittarius 34 | 6 Aquarius 22 |
| Venus | 8 Sagittarius 49 | 5 Scorpio 58 | 17 Capricorn 9 |
| Mars | 8 Aquarius 23 | 5 Sagittarius 10 | 23 Aries 22 |
| Jupiter | 3 Scorpio 14 | 25 Cancer 10 | 18 Scorpio 29 |
| Saturn | 15 Libra 47 | 25 Pisces 17 | 20 Libra 17 |
| Uranus | 9 Pisces 41 | 29 Taurus 52 | 12 Pisces 57 |
| Neptune | 18 Leo 9 | 29 Pisces 35 | 16 Leo 20 |
| Pluto | 11 Cancer 2 | 1 Aquarius 33 | 9 Cancer 14 |
| Rahu | 27 Virgo 0 | 14 Pisces 49 | 21 Virgo 33 |
| Ketu | 27 Pisces 0 | 14 Virgo 49 | 21 Pisces 33 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
