Robert McDowell Thrall (1914-2006) was an American mathematician and pioneer in operations research. He studied at Illinois College and the University of Illinois at Urbana-Champaign, earning his PhD in 1937. Thrall held various academic positions, progressing to professor at Rice University. His research contributions spanned group theory, representation theory, and later, operations research for military applications during WWII. He served as a consultant for major companies and was the editor of Management Science. He was honored with an honorary doctorate in 1960 and became a Fellow of INFORMS in 2002.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 323 days away.
Death Anniversary
Next death anniversary is 206 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 - Robert
bright fame, shining glory
Read Full Robert Name AnalysisSeptember 23, 1914 Facts
Generation Group
Robert McDowell Thrall belongs to the GI Generation group.
Place of Birth: Toledo (Illinois)
Place of Death: Philadelphia
Educated At: University of Illinois at Urbana–Champaign
Occupation: mathematician
Spouses: Natalie Hunter
Employers: Rice University | University of Michigan
Awards Received: Ehrendoktor des Illinois College | Fellow des INFORMS | SIAM Lecturer
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 September 23, 1914
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on September 23, 2025 | Secondary Progressions for September 23, 2025 |
|---|---|---|---|
| Sun | 29 Virgo 48 | 0 Libra 55 | 21 Capricorn 25 |
| Moon | 22 Scorpio 50 | 21 Libra 57 | 12 Sagittarius 38 |
| Mercury | 17 Libra 43 | 9 Libra 13 | 25 Capricorn 51 |
| Venus | 16 Scorpio 2 | 5 Virgo 7 | 7 Sagittarius 41 |
| Mars | 26 Libra 8 | 0 Scorpio 56 | 16 Capricorn 25 |
| Jupiter | 12 Aquarius 31 | 21 Cancer 31 | 24 Aquarius 38 |
| Saturn | 2 Cancer 35 | 28 Pisces 12 | 27 Gemini 53 |
| Uranus | 7 Aquarius 53 | 1 Gemini 21 | 10 Aquarius 27 |
| Neptune | 0 Leo 0 | 0 Aries 44 | 29 Cancer 16 |
| Pluto | 2 Cancer 12 | 1 Aquarius 27 | 0 Cancer 47 |
| Rahu | 4 Pisces 19 | 17 Pisces 25 | 28 Aquarius 27 |
| Ketu | 4 Virgo 19 | 17 Virgo 25 | 28 Leo 27 |
Chandra Kundali (Equal House, North Indian Diamond Chart)