Rolf Hosemann was a German physicist known for establishing the mathematical foundations of paracrystal theory. He studied at the University of Marburg and the University of Freiburg, where he obtained his doctorate in 1936 under the supervision of George de Hevesy. He habilitated in 1939 and later joined the Kaiser-Wilhelm-Institut. He became a research member at the Fritz-Haber-Institut, and in 1980 he retired. Hosemann received an honorary doctorate in 1974 for his contributions to theoretical crystallography.
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Death Anniversary
Next death anniversary is 111 days away.
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Meaning of the name - Rolf
fame, glory
Read Full Rolf Name AnalysisApril 20, 1912 Facts
Generation Group
Rolf Hosemann belongs to the GI Generation group.
Place of Birth: Rostock
Place of Death: Berlin
Educated At: Universität Marburg | Universität Freiburg
Occupation: university teacher | physicist
Spouses: Ursula Hosemann (née Siebold)
Children: 4 sons
Employers: Kaiser-Wilhelm-Institut für physikalische Chemie und Elektrochemie | Fritz-Haber-Institut
Awards Received: Honorary doctorate from the Free University of Berlin (1974)
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, 1912
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 14 | 0 Taurus 37 | 19 Leo 34 |
| Moon | 11 Gemini 47 | 15 Gemini 17 | 17 Leo 44 |
| Mercury | 21 Aries 33 | 8 Aries 18 | 5 Virgo 48 |
| Venus | 9 Aries 56 | 25 Taurus 47 | 29 Leo 58 |
| Mars | 8 Cancer 22 | 8 Aries 27 | 16 Virgo 36 |
| Jupiter | 14 Sagittarius 32 | 17 Cancer 36 | 5 Sagittarius 26 |
| Saturn | 21 Taurus 2 | 7 Aries 51 | 3 Gemini 40 |
| Uranus | 3 Aquarius 18 | 29 Taurus 44 | 0 Aquarius 42 |
| Neptune | 21 Cancer 5 | 2 Aries 55 | 24 Cancer 30 |
| Pluto | 27 Gemini 14 | 5 Aquarius 27 | 29 Gemini 39 |
| Rahu | 21 Aries 14 | 6 Pisces 21 | 15 Aries 12 |
| Ketu | 21 Libra 14 | 6 Virgo 21 | 15 Libra 12 |
Chandra Kundali (Equal House, North Indian Diamond Chart)