I'm mentioned in RFC 57 (probably before you were born) and served on the C standards committee, X3J11 ... I was the first person in the world to vote to accept the C standard (due to voting in alphabetical order) ... sometimes I regret it.

Machines I've programmed on, that I remember:

• IBM 1620
• IBM 360/{75,91,20} 370
• SDS (XDS) Sigma 7
• Varian 620-f
• PDP-11/{40,45,70,20}
• VAX-7[58]0
• Amiga [123]000
• Various PC's

Operating systems:

• OS/360
• SEX (Sigma 7 Executive)
• Varian DOS
• RSX-11[DM], RT-11
• UNIX 6, 7, PWB, System III, System V
• AmigaDos
• Linux
• Windows 95, 98, NT, 7, 8

Programming languages:

• FORTRAN II, IV
• Assembler for all the machines listed above
• PL/I
• APL
• Snobol 3, 4
• Meta 5
• Algol, Burroughs Algol, Algol 68
• PL/360
• MUMPS
• RPG
• FORTH
• Pascal
• Oberon
• IPL-V, LISP
• MIX
• Draco
• C, C++, C#
• Shell scripting, SED, AWK
• REXX
• Perl 4, 5
• Java
• D
• Scala
• Nim[rod]
• dabbling in numerous others

I've done lots of other things too.