Christopher Ian Byrnes (June 28, 1949 – February 7, 2010) was an American mathematician known for his contributions to systems theory and control theory. He earned his Ph.D. from the University of Massachusetts Amherst under the supervision of Marshall Harvey Stone. He held positions at the University of Utah, Harvard University, Arizona State University, and Washington University in St. Louis, where he was the Edward H. and Florence G. Skinner Professor of Systems Science and Mathematics. He was also a visiting professor at the Royal Institute of Technology (KTH) in Sweden. Byrnes was recognized for his work with the 2005 Reid Prize and was elected a foreign member of the Royal Swedish Academy of Engineering Sciences in 2001.
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Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 316 days away.
Death Anniversary
Next death anniversary is 189 days away.
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Meaning of the name - Christopher
bearer of Christ
Read Full Christopher Name AnalysisJune 28, 1949 Facts
Generation Group
Christopher Ian Byrnes belongs to the Baby Boomers group.
Place of Birth: The Bronx, New York
Place of Death: Stockholm
Educated At: University of Massachusetts Amherst
Occupation: Mathematician
Employers: Royal Institute of Technology
Awards Received: Fellow of the Society for Industrial and Applied Mathematics
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 28, 1949
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on June 28, 2025 | Secondary Progressions for June 28, 2025 |
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Sun | 6 Cancer 38 | 7 Cancer 15 | 19 Virgo 35 |
Moon | 5 Leo 50 | 19 Leo 48 | 17 Taurus 5 |
Mercury | 14 Gemini 48 | 2 Leo 25 | 15 Libra 50 |
Venus | 26 Cancer 0 | 23 Taurus 30 | 27 Libra 38 |
Mars | 13 Gemini 11 | 6 Virgo 27 | 3 Leo 28 |
Jupiter | 29 Capricorn 46 | 4 Cancer 18 | 22 Capricorn 17 |
Saturn | 2 Virgo 34 | 1 Aries 39 | 11 Virgo 19 |
Uranus | 1 Cancer 8 | 29 Taurus 37 | 4 Cancer 42 |
Neptune | 12 Libra 23 | 2 Aries 9 | 13 Libra 58 |
Pluto | 14 Leo 59 | 3 Aquarius 10 | 17 Leo 11 |
Rahu | 21 Aries 58 | 22 Pisces 1 | 17 Aries 57 |
Ketu | 21 Libra 58 | 22 Virgo 1 | 17 Libra 57 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
