Boris Aleksandrovich Mamyrin (Russian: Борис Александрович Мамырин; 25 May 1919 – 5 March 2007) was a Soviet and Russian physicist, best known for his invention of the electrostatic ion mirror mass spectrometer known as the reflectron.

[1][2][3] Mamyrin was born in 1919 in Lipetsk, Soviet Russia during Russian Civil War.

Both of his parents were medical doctors and his early aim was to follow in their footsteps.

degree in physics from the Leningrad Polytechnic Institute, World War II cut his studies short.

He became the head and leading research scientist of the laboratory for mass spectrometry at Ioffe Physico-Technical Institute of the Russian Academy of Sciences.