Hassan Kamel Al-Sabbah (Arabic: حسن كامل الصباح; August 16, 1894 – March 31, 1935) was a Lebanese electrical and electronics research engineer, mathematician and inventor.

In 1916, he was conscripted into the Ottoman army,[1] and worked as a telegraph operator.

He later taught mathematics in Damascus, Syria, and at the American University of Beirut.

[citation needed] In 1921, he travelled to the United States and for a short time studied at the Massachusetts Institute of Technology before joining the University of Illinois in 1923.

He joined the vacuum tube department of the Engineering Laboratory of the General Electric Company at Schenectady, New York, in 1923, where he had engaged in mathematical and experimental research, principally on rectifiers and inverters.