Herman Johannes den Hertog was a Dutch chemist born on February 12, 1902, in Amsterdam. He studied under Johan Pieter Wibaut and earned his doctorate in 1931 with research on the bromination of pyridine. Den Hertog served as a lector at the University of Amsterdam and later became a professor of organic chemistry at Wageningen University from 1949 to 1972. He published his memoirs in 1993, detailing his experiences as a chemist from 1920 onwards. He was married to altviolist Gertje Woutera Berlage and had a daughter who also pursued music.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 248 days away.
Death Anniversary
Next death anniversary is 2 days away.
Death Date
Place of Birth
Time Zone - Europe/Amsterdam (0:19 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Herman
man of the army, warrior
Read Full Herman Name AnalysisFebruary 12, 1902 Facts
Generation Group
Herman Johannes den Hertog belongs to the GI Generation group.
Place of Birth: Amsterdam
Place of Death: Velp
Occupation: university teacher | chemist
Spouses: Gertje (Gert) Woutera Berlage
Children: Henriëtte Geertruida (Jet den Hertog)
Employers: Wageningen University & Research | University of Amsterdam
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 12, 1902
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on February 12, 2026 | Secondary Progressions for February 12, 2026 |
|---|---|---|---|
| Sun | 22 Aquarius 51 | 23 Aquarius 46 | 24 Gemini 22 |
| Moon | 12 Aries 11 | 25 Sagittarius 50 | 4 Scorpio 10 |
| Mercury | 4 Pisces 52 | 9 Pisces 24 | 5 Cancer 8 |
| Venus | 26 Aquarius 52 | 2 Pisces 35 | 14 Taurus 7 |
| Mars | 2 Pisces 45 | 15 Aquarius 44 | 6 Gemini 23 |
| Jupiter | 1 Aquarius 4 | 16 Cancer 14 | 16 Aquarius 46 |
| Saturn | 23 Capricorn 4 | 29 Pisces 44 | 27 Capricorn 9 |
| Uranus | 20 Sagittarius 27 | 27 Taurus 30 | 19 Sagittarius 1 |
| Neptune | 28 Gemini 52 | 0 Aries 28 | 0 Cancer 56 |
| Pluto | 16 Gemini 44 | 4 Aquarius 3 | 18 Gemini 20 |
| Rahu | 8 Scorpio 14 | 9 Pisces 55 | 1 Scorpio 40 |
| Ketu | 8 Taurus 14 | 9 Virgo 55 | 1 Taurus 40 |
Chandra Kundali (Equal House, North Indian Diamond Chart)