John Coster-Mullen was a notable researcher, truck driver, and historian focused on nuclear weapons. He played a significant role in preserving the history of atomic bomb development, ensuring that the narratives surrounding the bombings were not lost to time. In 2002, he self-published a highly regarded book titled 'Atom Bombs: The Top Secret, Inside Story of Little Boy and Fat Man,' which detailed the development and deployment of the first nuclear weapons. He passed away on April 24, 2021.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 363 days away.
Death Anniversary
Next death anniversary is 242 days away.
Death Date
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - John
God is gracious
Read Full John Name AnalysisDecember 21, 1946 Facts
Generation Group
John Coster-Mullen belongs to the Baby Boomers group.
Occupation: truck driver | photographer
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 December 21, 1946
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 21, 2025 | Secondary Progressions for December 21, 2025 |
|---|---|---|---|
| Sun | 29 Sagittarius 14 | 0 Capricorn 5 | 19 Pisces 17 |
| Moon | 9 Sagittarius 24 | 18 Capricorn 21 | 3 Scorpio 46 |
| Mercury | 11 Sagittarius 39 | 13 Sagittarius 18 | 15 Pisces 45 |
| Venus | 20 Scorpio 24 | 26 Sagittarius 15 | 6 Aquarius 20 |
| Mars | 3 Capricorn 14 | 4 Capricorn 50 | 4 Pisces 45 |
| Jupiter | 18 Scorpio 21 | 22 Cancer 39 | 27 Scorpio 25 |
| Saturn | 8 Leo 29 | 25 Pisces 33 | 2 Leo 57 |
| Uranus | 19 Gemini 23 | 28 Taurus 16 | 17 Gemini 50 |
| Neptune | 10 Libra 40 | 29 Pisces 24 | 9 Libra 59 |
| Pluto | 13 Leo 3 | 2 Aquarius 25 | 11 Leo 23 |
| Rahu | 10 Gemini 41 | 12 Pisces 42 | 6 Gemini 30 |
| Ketu | 10 Sagittarius 41 | 12 Virgo 42 | 6 Sagittarius 30 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
