- Frisch, Otto Frisch, Otto Robert Frisch - British physicist (born in Austria) who with Lise Meitner recognized that Otto Hahn had produced a new kind of nuclear reaction which they named nuclear fission; Frisch described the explosive potential of a chain nuclear reaction (1904-1979)
--1 is a kind of nuclear physicist
- Frisch, Ragnar Frisch, Ragnar Anton Kittil Frisch - Norwegian economist noted for his work in econometrics (1895-1973)
--2 is a kind of economist, economic expert
- Frisch, Karl von Frisch - Austrian zoologist noted for his studies of honeybees (1886-1982)
--3 is a kind of zoologist, animal scientist