Background
Usher, Peter Denis was born on October 27, 1935 in Bloemfontein, South Africa. Son of William Arthur and Clarinda Emily (Lawrenson) University.
Usher, Peter Denis was born on October 27, 1935 in Bloemfontein, South Africa. Son of William Arthur and Clarinda Emily (Lawrenson) University.
Master of Science, University Orange Free State, Bloemfontein, South Africa, 1959. Doctor of Philosophy, Harvard University, 1965.
Postdoctoral fellow, Harvard-Smithsonian, Cambridge, Massachusetts, 1966-1967; research scientist, American Science and Engineering, Cambridge, 1967-1968; assistant professor, Pennsylvania State University, University Park, 1968-1973; associate professor, Pennsylvania State University, University Park, 1973-1986; professor, Pennsylvania State University, University Park, since 1987.
Member International Astronomical Union, Royal Astronomical Society, American Astronomical Society.
Married Claire Bradford Pierce, November 18, 1961 (divorced 1979). 1 child, Robert Wetherbee.