Moritz Hermann von Jacobi, also known as Boris Semyonovich Yakobi, was a German-Russian electrical engineer and physicist.
- Occupation
- physicist, inventor, university teacher, electrotechnician
- Citizenship
- Russian Empire, Kingdom of Prussia
- Born
- September 9, 1801, September 21, 1801
- Died
- February 27, 1874, March 11, 1874