Spencer Ferguson Silver III (February 6, 1941 - May 8, 2021) was an American chemist and inventor known for his work with adhesives. He is credited with developing the adhesive used by Arthur Fry to create Post-it Notes for the 3M Company. Born in San Antonio, Texas, Silver earned a Bachelor of Science in Chemistry from Arizona State University in 1962 and a PhD in Organic Chemistry from the University of Colorado in Boulder in 1966. He later served as a chief chemist at 3M's Central Research Laboratories.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 202 days away.
Death Anniversary
Next death anniversary is 71 days away.
Death Date
Place of Birth
Time Zone - America/Chicago (6:0 W)
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Meaning of the name - Spencer
steward, dispenser
Read Full Spencer Name AnalysisFebruary 6, 1941 Facts
Generation Group
Spencer Silver belongs to the Silent Generation group.
Place of Birth: San Antonio
Place of Death: Saint Paul
Cause of Death: ventricular tachycardia
Educated At: University of Colorado Boulder | Arizona State University
Occupation: chemist | inventor
Employers: Myasishchev 3M | 3M
Awards Received: ACS Award for Creative Invention | National Inventors Hall of Fame
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 6, 1941
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on February 6, 2026 | Secondary Progressions for February 6, 2026 |
|---|---|---|---|
| Sun | 17 Aquarius 35 | 17 Aquarius 57 | 11 Taurus 55 |
| Moon | 12 Gemini 33 | 17 Libra 1 | 20 Cancer 39 |
| Mercury | 4 Pisces 50 | 29 Aquarius 39 | 7 Taurus 51 |
| Venus | 29 Capricorn 48 | 25 Aquarius 24 | 15 Taurus 27 |
| Mars | 22 Sagittarius 19 | 11 Aquarius 14 | 20 Aquarius 50 |
| Jupiter | 7 Taurus 56 | 16 Cancer 46 | 24 Taurus 19 |
| Saturn | 8 Taurus 49 | 29 Pisces 8 | 17 Taurus 24 |
| Uranus | 22 Taurus 11 | 27 Taurus 28 | 25 Taurus 21 |
| Neptune | 27 Virgo 18 | 0 Aries 18 | 25 Virgo 13 |
| Pluto | 2 Leo 52 | 3 Aquarius 52 | 2 Leo 6 |
| Rahu | 4 Libra 13 | 10 Pisces 13 | 29 Virgo 43 |
| Ketu | 4 Aries 13 | 10 Virgo 13 | 29 Pisces 43 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
