Richard Barry Bernstein (October 31, 1923 – July 8, 1990) was an American physical chemist.
He is primarily known for his research in chemical kinetics and reaction dynamics by molecular beam scattering and laser techniques.
He is credited with having founded femtochemistry, which laid the groundwork for developments in femtobiology.
Bernstein received his doctorate in chemistry from Columbia University in 1948.
[2] Bernstein had a heart attack in Moscow and died shortly afterwards in Helsinki, Finland, aged 66.