That is an impressive lotus posture (by Professor Ullman). What a fun
picture. Thanks for sharing.
avg


On Tue, May 25, 2021 at 8:20 PM Nelson H. F. Beebe <beebe@math.utah.edu>
wrote:

> The last article of the latest issue of the Communications of the ACM
> that appeared electronically earlier today is a brief interview with
> this year's ACM Turing Award winners, Al Aho and Jeff Ullman.
>
> The article is
>
>         Last byte: Shaping the foundations of programming languages
>         https://doi.org/10.1145/3460442
>         Comm. ACM 64(6), 120, 119, June 2021.
>
> and it includes a picture of the two winners sitting on Dennis
> Ritchie's couch.
>
> I liked this snippet from Jeff Ullman, praising fellow list member
> Steve Johnson's landmark program, yacc:
>
> >> ...
> >> At the time of the first Fortran compiler, it took several
> >> person-years to write a parser.  By the time yacc came around,
> >> you could do it in an afternoon.
> >> ...
>
>
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