Peter Pitirimovich Sorokin (, 10 July 1931 – 24 September 2015) was an American Russian physicist and co-inventor of the dye laser. He was born in Boston and grew up in Winchester, Massachusetts.American Men and Women of Science, Thomson Gale 2004 He attended Harvard University, receiving a BA degree in 1952 and a PhD in Applied Physics in 1958; his PhD thesis adviser was Nicolaas Bloembergen.
