Bernard A.Galler The Fortran Language

[HOPL I] (1979) SIGPLAN Notices 14(04) April 1979 including The first ACM SIGPLAN conference on History of programming languages (HOPL) Los Angeles, CA, June 1-3, 1978  

Languages mentioned FORTRAN {1954} Backus et al high-level compiler PAF {1957} Conversational programming language