George Nicholas Hatsopoulos (January 7, 1927 – September 20, 2018) was a Greek-American mechanical engineer.
He was born in Athens.
He was known for his work in thermodynamics and for having co-founded Thermo Electron.
He worked at the Massachusetts Institute of Technology.

Hatsopoulos died on September 20, 2018 at his home in Lincoln, Massachusetts, aged 91.
George Nicholas Hatsopoulos (January 7, 1927 – September 20, 2018) was a Greek-American mechanical engineer. He was born in Athens. He was known for his work in thermodynamics and for having co-founded Thermo Electron. He worked at the Massachusetts Institute of Technology. 
Hatsopoulos died on September 20, 2018 at his home in Lincoln, Massachusetts, aged 91.
George N. Hatsopoulos