He taught astronomy at the University of Cincinnati in Ohio. In 1947 he initiated there the foundation of the Minor Planet Center, which he directed until his retirement in 1978. After the war he was appointed director of the Cincinnati Observatory.
He was a pioneer in the use of computing machines for the solution of scientific and astronomical problems (eg the calculation of ephemerides for asteroids ). During the Second World War, he took advantage of these capabilities to detect enemy submarines by methods of Spherical Trigonometry.
Paul Herget, the daughter Marilyn, after the asteroid ( 1486 ) Marilyn was named.
The asteroid (1751 ) Herget was named after him.