Birth Chart and Horoscope of Laser researchers
- Alexander Prokhorov
- Ali Javan
- Anthony E. Siegman
- Arthur Ashkin
- Arthur Leonard Schawlow
- Arthur Schawlow
- Charles Hard Townes
- Claude Cohen-Tannoudji
- Eric Mazur
- Gérard Mourou
- Herwig Kogelnik
- Isaac Abella
- James R. Biard
- John L. Hall
- John Madey
- Joseph Weber
- Nikolay Basov
- Robert N. Hall
- Ronald Drever
- Theodor W. Hänsch
- Theodore Maiman
- Willis Lamb
A
C
E
G
H
I
J
N
R
T
W
More categories: April 19 births, Valley RFC players, German pop music groups, World Athletics Championships athletes for Saint Vincent and the Grenadines, Footballers from the London Borough of Lewisham, Ambassadors of France to Denmark, Emlyon Business School alumni, Players of American football from San Diego, Water polo coaches at the 1980 Summer Olympics, People from Bad Waldsee