GA
George Brown Arfken
George Brown Arfken was an American theoretical physicist and the author of several mathematical physics texts. He was a physics professor at Miami University from 1952 to 1983 and the chair of the Miami University physics department 1956–1972. He was an emeritus professor at Miami University. Arfken was also an authority on Canadian philately.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Mathematical Methods for Physicists
2013
ISBN 9780123846549