Ken Thompson, co-creator of "C",
most popular programming language of all time,
is now working in Google, on "Go" programming language,
that is an evolution of "C" optimized for for parallel computing.
Parallel to "Go", Google engineers are also developing "Dart" programming language,
Second most popular language is Java,
and its creator James Gosling also has a beard.
He also briefly worked in Google after Oracle's purchase of Sun.