Currently working on IBM midrange (earlier on mainframes).
Love to solve puzzles.
Fan of Martin Gardner, Raymond Smullyan, Ya Perelman, Carl Sagan, Isaac Asimov, George Gamow, W W Sawyer, Richard Dawkins, Douglas Hofstadter.
Interested in Maths & Science education, science popularization.
Member for 9 years, 3 months
49 profile views
Last seen Nov 21 '20 at 10:47