Rolf Niedergerke was a notable German physiologist and physician known for his pivotal role in the discovery of the sliding filament theory of muscle contraction. He collaborated with Andrew Huxley and extended the works of Hugh Huxley and Jean Hanson, elucidating that muscle contraction results from the shortening of muscle fibers. After completing his MD in 1945, he shifted from clinical practice to research, joining Huxley at Cambridge University. Their landmark 1954 paper published in Nature laid the groundwork for understanding muscle mechanics.
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Your next birthday is 284 days away.
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Meaning of the name - Rolf
fame, glory
Read Full Rolf Name AnalysisApril 30, 1921 Facts
Generation Group
Rolf Niedergerke belongs to the GI Generation group.
Place of Birth: Mülheim an der Ruhr
Place of Death: London
Educated At: Charles University
Occupation: physiologist | physician
Employers: University College London
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 30, 1921
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 30, 2026 | Secondary Progressions for April 30, 2026 |
|---|---|---|---|
| Sun | 9 Taurus 47 | 10 Taurus 22 | 20 Leo 22 |
| Moon | 15 Aquarius 29 | 28 Libra 49 | 26 Sagittarius 15 |
| Mercury | 28 Aries 51 | 25 Aries 26 | 10 Leo 10 |
| Venus | 27 Aries 21 | 7 Gemini 56 | 9 Cancer 3 |
| Mars | 26 Taurus 13 | 16 Aries 8 | 6 Leo 36 |
| Jupiter | 8 Virgo 42 | 18 Cancer 53 | 20 Virgo 39 |
| Saturn | 19 Virgo 3 | 9 Aries 0 | 23 Virgo 58 |
| Uranus | 8 Pisces 49 | 0 Gemini 16 | 8 Pisces 20 |
| Neptune | 10 Leo 58 | 3 Aries 15 | 13 Leo 45 |
| Pluto | 7 Cancer 6 | 5 Aquarius 30 | 9 Cancer 26 |
| Rahu | 26 Libra 39 | 5 Pisces 49 | 21 Libra 5 |
| Ketu | 26 Aries 39 | 5 Virgo 49 | 21 Aries 5 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
