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 5 years
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Last seen Dec 3 '19 at 13:35