Stephen P. Long is a British-born American environmental plant physiologist known for his significant contributions to improving photosynthesis, aiming to enhance food and biofuel crop yields. He serves as the Stanley O. Ikenberry Chair Professor of Plant Biology and Crop Sciences at the University of Illinois and holds visiting professor positions at Lancaster University and Oxford University. His pioneering research, published in Science, demonstrated the potential to manipulate photosynthesis for increased plant productivity, addressing long-term climate change effects and advocating for global food security and bioenergy.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 325 days away.
Place of Birth
Time Zone - Europe/London (1:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Stephen
crown, wreath
Read Full Stephen Name AnalysisAugust 13, 1950 Facts
Generation Group
Stephen P. Long belongs to the Baby Boomers group.
Place of Birth: London
Educated At: University of Reading | University of Leeds
Occupation: physiologist
Employers: University of Illinois system | University of Essex | University of Lancaster | University of Illinois at Urbana–Champaign | University of Oxford
Awards Received: Member of the National Academy of Sciences of the United States | Fellow of the Royal Society
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 August 13, 1950
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on August 13, 2025 | Secondary Progressions for August 13, 2025 |
---|---|---|---|
Sun | 20 Leo 7 | 20 Leo 57 | 3 Scorpio 27 |
Moon | 17 Leo 12 | 14 Aries 18 | 20 Taurus 53 |
Mercury | 16 Virgo 14 | 4 Leo 31 | 0 Scorpio 2 |
Venus | 26 Cancer 11 | 15 Cancer 30 | 29 Libra 2 |
Mars | 1 Scorpio 40 | 4 Libra 4 | 22 Sagittarius 41 |
Jupiter | 3 Pisces 59 | 14 Cancer 19 | 27 Aquarius 28 |
Saturn | 19 Virgo 4 | 1 Aries 1 | 28 Virgo 6 |
Uranus | 7 Cancer 52 | 1 Gemini 14 | 9 Cancer 28 |
Neptune | 15 Libra 10 | 1 Aries 46 | 17 Libra 42 |
Pluto | 17 Leo 54 | 2 Aquarius 8 | 19 Leo 42 |
Rahu | 0 Aries 13 | 19 Pisces 36 | 26 Pisces 15 |
Ketu | 0 Libra 13 | 19 Virgo 36 | 26 Virgo 15 |
Chandra Kundali (Equal House, North Indian Diamond Chart)

Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Stephen P. Long's 2025 Transits to Natal Planets
- Mars square Mars
Exact: 01 January, 2025 - Rahu conjunction Rahu
Exact: 11 January, 2025 - Ketu conjunction Ketu
Exact: 11 January, 2025 - Saturn opposition Mercury
Exact: 31 January, 2025 - Saturn opposition Saturn
Exact: 20 February, 2025 - Mars conjunction Venus
Exact: 11 April, 2025 - Mars square Mars
Exact: 21 April, 2025 - Mars conjunction Sun
Exact: 31 May, 2025 - Saturn conjunction Rahu
Exact: 10 June, 2025 - Saturn opposition Ketu
Exact: 10 June, 2025 - Jupiter trine Mars
Exact: 20 June, 2025 - Jupiter trine Jupiter
Exact: 30 June, 2025 - Mars conjunction Saturn
Exact: 20 July, 2025 - Ketu conjunction Saturn
Exact: 09 August, 2025 - Ketu conjunction Mercury
Exact: 28 September, 2025