John Frank Allen, FRS FRSE was a Canadian physicist. At the same time as Pyotr Leonidovich Kapitsa in Moscow, Don Misener and Allen independently discovered the superfluid phase of matter in 1937 using liquid helium in the Royal Society Mond Laboratory in Cambridge, England.
- Occupation
- physicist
- Citizenship
- Canada, United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- May 6, 1908, May 5, 1908
- Died
- April 22, 2001