Per Christian Møller Hemmer (14 May 1933 – 5 February 2022[1]) was a Norwegian physicist.
He was born in Tromøy as a son of Alv Kristiansen and Hilda Møller.
He led a project in Oslo between 1963 and 1965, was appointed as docent at the Norwegian Institute of Technology in 1969 and promoted to professor in theoretical physics in 1969.
[2] He was vice president of the International Union of Pure and Applied Physics from 1984 to 1990.
[3] He has also contributed to the use of Norwegian language in university physics education, by writing introductory text books in both thermal physics and quantum mechanics that are used at NTNU and elsewhere.