Alexander Suss Langsdorf Jr. was an American physicist born on May 30, 1912, who contributed to the development of the atomic bomb and various nuclear physics devices. Throughout his career, he became a notable advocate against the use and spread of nuclear weapons, emphasizing the risks associated with their proliferation. Langsdorf's work in physics played a significant role in the nuclear age, yet he remained an important voice for peace and disarmament until his death on May 24, 1996.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 356 days away.
Death Anniversary
Next death anniversary is 14 days away.
Death Date
Place of Birth
Time Zone - America/Chicago (6:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Alexander
Defender of the people
Read Full Alexander Name AnalysisMay 30, 1912 Facts
Generation Group
Alexander Langsdorf Jr. belongs to the GI Generation group.
Place of Birth: St. Louis
Place of Death: Elmhurst Memorial Hospital
Educated At: Washington University in St. Louis | Massachusetts Institute of Technology
Occupation: physicist
Spouses: Martyl Langsdorf
Employers: Washington University in St. Louis | University of California, Berkeley | University of Chicago
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 30, 1912
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on May 30, 2026 | Secondary Progressions for May 30, 2026 |
|---|---|---|---|
| Sun | 8 Gemini 55 | 9 Gemini 20 | 28 Virgo 22 |
| Moon | 6 Sagittarius 9 | 2 Sagittarius 31 | 6 Aquarius 6 |
| Mercury | 20 Taurus 0 | 26 Gemini 58 | 17 Virgo 59 |
| Venus | 29 Taurus 1 | 13 Cancer 55 | 19 Libra 24 |
| Mars | 1 Leo 25 | 8 Taurus 49 | 12 Libra 24 |
| Jupiter | 10 Sagittarius 26 | 23 Cancer 51 | 8 Sagittarius 55 |
| Saturn | 26 Taurus 9 | 12 Aries 1 | 4 Gemini 45 |
| Uranus | 3 Aquarius 13 | 2 Gemini 0 | 29 Capricorn 37 |
| Neptune | 21 Cancer 54 | 4 Aries 2 | 25 Cancer 37 |
| Pluto | 28 Gemini 1 | 5 Aquarius 22 | 0 Cancer 3 |
| Rahu | 19 Aries 7 | 4 Pisces 14 | 13 Aries 5 |
| Ketu | 19 Libra 7 | 4 Virgo 14 | 13 Libra 5 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
