Willi Hennig (1913 – 1976) was a German biologist, entomologist, author, zoologist, and university professor. He was a notable figure in the field of systematic biology and was a member of the German Academy of Sciences Leopoldina and the Royal Swedish Academy of Sciences. Hennig is best known for developing the concept of phylogenetic systematics, which emphasizes evolutionary relationships among organisms. He passed away in Ludwigsburg at the age of 63.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 317 days away.
Death Anniversary
Next death anniversary is 151 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 - Willi
resolute protector, determined defender
Read Full Willi Name AnalysisApril 20, 1913 Facts
Generation Group
Willi Hennig belongs to the GI Generation group.
Place of Birth: Dürrhennersdorf
Place of Death: Ludwigsburg
Educated At: Leipzig University
Occupation: entomologist | university teacher | biologist | zoologist | writer
Employers: University of Tübingen | Technical University of Berlin | Leipzig University
Awards Received: Linnean Medal
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 April 20, 1913
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 20, 2026 | Secondary Progressions for April 20, 2026 |
|---|---|---|---|
| Sun | 0 Taurus 0 | 0 Taurus 37 | 18 Leo 23 |
| Moon | 27 Libra 31 | 15 Gemini 17 | 19 Sagittarius 39 |
| Mercury | 3 Aries 25 | 8 Aries 18 | 7 Leo 5 |
| Venus | 6 Taurus 57 | 25 Taurus 47 | 6 Cancer 21 |
| Mars | 16 Pisces 36 | 8 Aries 27 | 8 Gemini 48 |
| Jupiter | 17 Capricorn 12 | 17 Cancer 36 | 8 Capricorn 34 |
| Saturn | 3 Gemini 16 | 7 Aries 51 | 16 Gemini 37 |
| Uranus | 7 Aquarius 19 | 29 Taurus 44 | 5 Aquarius 0 |
| Neptune | 23 Cancer 17 | 2 Aries 55 | 26 Cancer 36 |
| Pluto | 28 Gemini 17 | 5 Aquarius 27 | 0 Cancer 41 |
| Rahu | 1 Aries 55 | 6 Pisces 21 | 25 Pisces 56 |
| Ketu | 1 Libra 55 | 6 Virgo 21 | 25 Virgo 56 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
