Feodor Theilheimer was a German Jewish mathematician born in Gunzenhausen on June 18, 1909. He studied rabbinics before focusing on mathematics at the University of Berlin, where he earned his doctorate in 1936. After migrating to the United States in 1937, he worked as a private tutor and later joined Trinity College as a professor in 1942. He transitioned to the U.S. Navy's theoretical division in 1948 and eventually retired from military research in 1977, afterwards teaching at the University of Maryland.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 364 days away.
Death Anniversary
Next death anniversary is 188 days away.
Death Date
Place of Birth
Time Zone - Europe/Berlin (1:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Feodor
Gift of God
Read Full Feodor Name AnalysisJune 18, 1909 Facts
Generation Group
Feodor Theilheimer belongs to the GI Generation group.
Place of Birth: Gunzenhausen
Place of Death: Chevy Chase
Educated At: Hildesheimer Rabbinical Seminary | Humboldt University of Berlin
Occupation: mathematician
Employers: Trinity College | University of Maryland | Naval Ordnance Laboratory | tutor | 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 June 18, 1909
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on June 18, 2025 | Secondary Progressions for June 18, 2025 |
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Sun | 26 Gemini 32 | 27 Gemini 28 | 18 Libra 29 |
Moon | 2 Cancer 25 | 22 Pisces 56 | 28 Virgo 1 |
Mercury | 21 Gemini 19 | 17 Cancer 35 | 18 Libra 54 |
Venus | 10 Cancer 9 | 12 Taurus 33 | 0 Sagittarius 5 |
Mars | 14 Pisces 4 | 0 Virgo 37 | 26 Pisces 25 |
Jupiter | 7 Virgo 33 | 1 Cancer 58 | 29 Virgo 56 |
Saturn | 21 Aries 49 | 1 Aries 19 | 20 Aries 27 |
Uranus | 19 Capricorn 59 | 29 Taurus 6 | 17 Capricorn 11 |
Neptune | 16 Cancer 3 | 2 Aries 5 | 19 Cancer 19 |
Pluto | 25 Gemini 22 | 3 Aquarius 22 | 26 Gemini 51 |
Rahu | 16 Gemini 10 | 22 Pisces 34 | 10 Gemini 1 |
Ketu | 16 Sagittarius 10 | 22 Virgo 34 | 10 Sagittarius 1 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
