Herbert M. Parker was an influential medical physicist who made significant contributions to the fields of medical radiation therapy and radiation safety. Born on April 13, 1910, in Accrington, England, he later immigrated to America. He is best known for introducing important concepts such as the roentgen equivalent physical (rep) and the roentgen equivalent biological (reb), which became essential units of measurement in radiation therapy, leading to the development of the gray, rad, rem, and sievert.
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Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 310 days away.
Death Anniversary
Next death anniversary is 202 days away.
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Meaning of the name - Herbert
bright army, famous warrior
Read Full Herbert Name AnalysisApril 13, 1910 Facts
Generation Group
Herbert Parker belongs to the GI Generation group.
Place of Birth: Accrington
Place of Death: Richland, Washington
Educated At: University of Manchester
Occupation: physicist
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 13, 1910
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on April 13, 2026 | Secondary Progressions for April 13, 2026 |
|---|---|---|---|
| Sun | 22 Aries 53 | 23 Aries 47 | 14 Leo 17 |
| Moon | 16 Gemini 6 | 4 Pisces 19 | 14 Virgo 8 |
| Mercury | 1 Taurus 26 | 28 Pisces 1 | 2 Virgo 34 |
| Venus | 7 Pisces 4 | 17 Taurus 15 | 16 Cancer 4 |
| Mars | 18 Gemini 45 | 3 Aries 1 | 1 Virgo 3 |
| Jupiter | 7 Libra 41 | 16 Cancer 51 | 10 Libra 21 |
| Saturn | 26 Aries 18 | 7 Aries 0 | 7 Taurus 1 |
| Uranus | 25 Capricorn 5 | 29 Taurus 22 | 22 Capricorn 21 |
| Neptune | 16 Cancer 36 | 2 Aries 40 | 20 Cancer 1 |
| Pluto | 25 Gemini 4 | 5 Aquarius 23 | 27 Gemini 28 |
| Rahu | 0 Gemini 19 | 6 Pisces 43 | 24 Taurus 11 |
| Ketu | 0 Sagittarius 19 | 6 Virgo 43 | 24 Scorpio 11 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
