http://www.nsc.liu.se/~boein/f77to90/c1.html
FORTRAN’s do loop problem
FORTRAN’s horizontal spacing
Criteria for languages selected for Programming Language conference
1. in use in 1967
2. still in use in 1977
3. had significant influence
Languages selected
APL
APT
BASIC
COBOL
FORTRAN
GPSS
JOSS
JOVIAL
LISP
SNOBOL
SIMULA