John Frederick Matthews Grassle (1939-2018) was a prominent American marine biologist and oceanographer known for his significant contributions to the study of deep-sea hydrothermal vent communities. As a professor and distinguished research scientist, he played a key role in the establishment of the Census of Marine Life and was instrumental in the development of the Ocean Biogeographic Information System, which integrated marine biological data globally. His work has had a lasting impact on marine research and biodiversity studies.
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Age (Today)
Your next birthday is 338 days away.
Death Anniversary
Next death anniversary is 34 days away.
Death Date
Place of Birth
Time Zone - America/New_York (4:0 W)
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July 14, 1939 Facts
Generation Group
J. Frederick Grassle belongs to the Silent Generation group.
Place of Birth: Cleveland
Place of Death: Franklin Township
Educated At: Duke University | Yale University
Occupation: marine biologist | oceanographer | researcher
Employers: Rutgers University
Awards Received: A.C. Redfield Lifetime Achievement Award | Japan Prize | Benjamin Franklin Medal
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 14, 1939
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on July 14, 2025 | Secondary Progressions for July 14, 2025 |
|---|---|---|---|
| Sun | 21 Cancer 18 | 22 Cancer 28 | 14 Libra 28 |
| Moon | 20 Gemini 44 | 9 Pisces 8 | 16 Leo 39 |
| Mercury | 17 Leo 48 | 15 Leo 4 | 25 Libra 59 |
| Venus | 6 Cancer 48 | 11 Gemini 10 | 23 Libra 13 |
| Mars | 1 Aquarius 52 | 15 Virgo 48 | 6 Aquarius 10 |
| Jupiter | 8 Aries 21 | 7 Cancer 55 | 2 Aries 16 |
| Saturn | 0 Taurus 37 | 1 Aries 49 | 29 Aries 1 |
| Uranus | 21 Taurus 10 | 0 Gemini 20 | 21 Taurus 19 |
| Neptune | 21 Virgo 1 | 2 Aries 8 | 23 Virgo 52 |
| Pluto | 0 Leo 47 | 2 Aquarius 49 | 2 Leo 46 |
| Rahu | 4 Scorpio 34 | 21 Pisces 11 | 0 Scorpio 1 |
| Ketu | 4 Taurus 34 | 21 Virgo 11 | 0 Taurus 1 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
