Derrick Henry Lehmer was an American mathematician known for his contributions to number theory and mathematical computing. His work is celebrated within the fields of mathematics and computer science, particularly for his involvement in the development of computational methods. His legacy includes advancements in prime factorization and the theory of factors, influencing both theoretical research and practical applications in various areas of mathematics.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 260 days away.
Death Anniversary
Next death anniversary is 16 days away.
Death Date
Place of Birth
Time Zone - America/Los_Angeles (8:0 W)
Chinese Zodiac Sign
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Name Number (Pythagorean)
Meaning of the name - Derrick
ruler of the people, leader of the people
Read Full Derrick Name AnalysisFebruary 23, 1905 Facts
Generation Group
Derrick Henry Lehmer belongs to the GI Generation group.
Place of Birth: Berkeley
Place of Death: Berkeley
Educated At: University of California, Berkeley | University of Chicago | Brown University
Occupation: university teacher | mathematician
Spouses: Emma Lehmer
Employers: Lehigh University | Stanford University | University of California, Berkeley
Awards Received: Josiah Willard Gibbs Lectureship | Guggenheim Fellowship
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 February 23, 1905
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on February 23, 2026 | Secondary Progressions for February 23, 2026 |
|---|---|---|---|
| Sun | 4 Pisces 34 | 5 Pisces 13 | 2 Cancer 35 |
| Moon | 0 Scorpio 39 | 26 Taurus 13 | 2 Aries 39 |
| Mercury | 22 Aquarius 58 | 22 Pisces 4 | 3 Cancer 7 |
| Venus | 20 Aries 54 | 16 Pisces 46 | 17 Taurus 31 |
| Mars | 17 Scorpio 47 | 24 Aquarius 40 | 8 Scorpio 39 |
| Jupiter | 27 Aries 23 | 15 Cancer 29 | 24 Taurus 40 |
| Saturn | 25 Aquarius 12 | 1 Aries 1 | 3 Pisces 16 |
| Uranus | 3 Capricorn 22 | 27 Taurus 38 | 2 Capricorn 11 |
| Neptune | 5 Cancer 30 | 0 Aries 51 | 7 Cancer 42 |
| Pluto | 19 Gemini 43 | 4 Aquarius 23 | 21 Gemini 30 |
| Rahu | 9 Virgo 36 | 9 Pisces 19 | 3 Virgo 12 |
| Ketu | 9 Pisces 36 | 9 Virgo 19 | 3 Pisces 12 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
