Jan Vlachý was a Czech documentarist and one of the founders of scientometrics. He studied nuclear physics and researched quantitative science, focusing on scientometrics and bibliometrics during the 1960s. Vlachý published numerous articles, developed analyses on Lotka's Law, and demonstrated the application of power laws across various sciences. He was the executive editor of the Czechoslovak Journal of Physics from 1967 to 1986 and received the Derek de Solla Price Medal in January 1989 for his contributions to quantitative science research. His scientific legacy resides at KU Leuven, Belgium.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 246 days away.
Death Anniversary
Next death anniversary is 113 days away.
Death Date
Place of Birth
Time Zone - Europe/Prague (1:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Jan
Read Full Jan Name AnalysisFebruary 7, 1937 Facts
Generation Group
Jan Vlachý belongs to the Silent Generation group.
Place of Birth: Plzeň
Place of Death: Berlin
Educated At: Prague
Occupation: information scientist
Employers: Czechoslovak Academy of Sciences | Czechoslovak Journal of Physics
Awards Received: Derek John de Solla Price Award
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 7, 1937
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on February 7, 2026 | Secondary Progressions for February 7, 2026 |
|---|---|---|---|
| Sun | 18 Aquarius 16 | 18 Aquarius 40 | 16 Taurus 27 |
| Moon | 1 Capricorn 42 | 25 Libra 45 | 3 Aries 4 |
| Mercury | 22 Capricorn 35 | 0 Pisces 54 | 22 Taurus 29 |
| Venus | 5 Aries 5 | 26 Aquarius 17 | 19 Aries 30 |
| Mars | 16 Scorpio 34 | 11 Aquarius 47 | 2 Sagittarius 16 |
| Jupiter | 15 Capricorn 1 | 16 Cancer 41 | 27 Capricorn 5 |
| Saturn | 20 Pisces 57 | 29 Pisces 12 | 1 Aries 23 |
| Uranus | 5 Taurus 53 | 27 Taurus 28 | 10 Taurus 0 |
| Neptune | 18 Virgo 20 | 0 Aries 19 | 16 Virgo 16 |
| Pluto | 27 Cancer 11 | 3 Aquarius 54 | 26 Cancer 39 |
| Rahu | 21 Sagittarius 33 | 10 Pisces 11 | 16 Sagittarius 50 |
| Ketu | 21 Gemini 33 | 10 Virgo 11 | 16 Gemini 50 |
Chandra Kundali (Equal House, North Indian Diamond Chart)