Physics: Biographies
- Maria Goeppert Mayer
- Marie Alfred Cornu
- Max Born
- Max Planck
- Max von Laue
- Meghnad Saha
- Michael Faraday
- Michael Idvorsky Pupin
- Murray Gell-Mann
- Niccolo Cabeo
- Nicolas Leonard Sadi Carnot
- Niels Henrik David Bohr
- Nikolai Gennadiyevich Basov
- Nikolai Nikolaevich Semenov
- Norman Foster Ramsey
- Oliver Heaviside
- Otto Robert Frisch
- Otto Stern
- Otto von Guericke
- Patrick Maynard Stuart Blackett