Peter Pitirimovich Sorokin obit – PNAS
Peter Pitirimovich Sorokin obit – Physics Today
re Peter P. Sorokin discoveries – NY Herald Tribune 12-15-1960 (2)
Peter P. Sorokin awarded patent for new laser – NY Times 4-25-1964 (2)
Peter Sorokin marriage – Los Angeles Times 12-4-1977 (2)
The family of Sorokin and the careers of his two sons are of intrinsic interest to me.
I have posted here items re Sorokin’s oldest son, Peter P. Sorokin (1935-2015). They are self-explanatory.
— Roger W. Smith