Esther Miriam Zimmer Lederberg (December 18, 1922 – November 11, 2006) was an American microbiologist and a pioneer in bacterial genetics. Her notable contributions include the discovery of the bacteriophage λ, gene transfer in bacteria via specialized transduction, the development of the replica plating technique, and the identification of the bacterial fertility factor F (F plasmid). She also established and managed the now-defunct Plasmid Reference Center at Stanford University, where she curated plasmids from various species and documented numerous properties including antibiotic resistance, virulence, and transposons.
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Your next birthday is 360 days away.
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Next death anniversary is 41 days away.
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Meaning of the name - Esther
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Read Full Esther Name AnalysisDecember 18, 1922 Facts
Generation Group
Esther Lederberg belongs to the GI Generation group.
Place of Birth: The Bronx
Place of Death: Stanford
Cause of Death: heart failure
Educated At: Hunter College | University of Wisconsin–Madison | Stanford University
Occupation: geneticist
Spouses: JOM
Employers: New York Botanical Garden | Carnegie Institution for Science | University of Wisconsin–Madison
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 18, 1922
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 18, 2025 | Secondary Progressions for December 18, 2025 |
|---|---|---|---|
| Sun | 26 Sagittarius 0 | 27 Sagittarius 1 | 9 Aries 57 |
| Moon | 28 Sagittarius 32 | 12 Sagittarius 4 | 28 Virgo 8 |
| Mercury | 2 Capricorn 41 | 9 Sagittarius 1 | 1 Aries 49 |
| Venus | 24 Scorpio 40 | 22 Sagittarius 29 | 29 Aquarius 24 |
| Mars | 5 Pisces 15 | 2 Capricorn 34 | 19 Taurus 24 |
| Jupiter | 10 Scorpio 41 | 22 Cancer 59 | 17 Scorpio 36 |
| Saturn | 19 Libra 12 | 25 Pisces 26 | 18 Libra 1 |
| Uranus | 10 Pisces 1 | 28 Taurus 22 | 15 Pisces 2 |
| Neptune | 17 Leo 57 | 29 Pisces 23 | 15 Leo 33 |
| Pluto | 10 Cancer 25 | 2 Aquarius 20 | 9 Cancer 5 |
| Rahu | 25 Virgo 2 | 12 Pisces 52 | 19 Virgo 35 |
| Ketu | 25 Pisces 2 | 12 Virgo 52 | 19 Pisces 35 |
Chandra Kundali (Equal House, North Indian Diamond Chart)