The following are
personal web pages or blogs of
famous or not so famous
computer scientists, mathematicians, and others, as well as
web archives of scientists who have passed away.
Генрих Саулович Альтшуллер (Genrikh Saulovich Al'tshuller) + pseudointerview
Владимир Иванович Вернадский (Vladimir Ivanovich Vernadsky): archive
Вячеслав Эрнстович Вольфенгаген (Vyacheslav Ernstovich Vol'fengagen)
Андрей Петрович Ершов (Andrey Petrovich Ershov)
Дмитрий Кирсанов (Dmitry Kirsanov): company web site (the only one horizontally browsed that I know of)
Андрей Николаевич Колмогоров (Andrey Nikolaevich Kolmogorov) + this page, in English
Артемий Андреевич Лебедев (Artemy Andreevich Lebedev) + company web site
Александр Александрович Степанов (Alexander Stepanov): book, papers, lecture notes, interviews and programs
Henry Baker: archive of publications
Fabrice Bellard (of the TCC, JS/Linux, QEMU, etc. fame)
Walter Bright: blog on C, C++, and D
Leo Brodie + material on the subject of September 11
Gregory John Chaitin + an older site
Edsger Wybe Dijkstra: archive; research on Dijkstra's life and work
Chris Double: blog on JavaScript, Factor, Mozilla/Firefox, etc.
James Hague: blog
Charles Antony Richard Hoare + a now defunct page at Microsoft
Brian Kernighan: page at Princeton University + old page at Bell Labs
Oleg Kiselyov (Russ. Олег Киселёв); the same through this address
Donald Ervin Knuth + TAOCP (The Art of Computer Programming) + Computer musings
Andrew Koenig: blog on C and C++
Malcolm Douglas McIlroy + what they say about him + old page at Bell Labs
Erik Meijer + a company of him
Robin Milner: his page at Cambridge University + page about the π-calculus + extensive interview
Theodor Holm Nelson + page at NEW Magazine
David Lorge Parnas: lecture slides + interview
Alan Jay Perlis: Epigrams in programming; also on this page, with some differences
Jef Raskin, The Humane Interface, the now abandoned Archy project
Aza Raskin + Enso, Archy's successor
Bertrand Russell + The Bertrand Russell Archives + The Bertrand Russell Research Centre + Russell: the Journal of Bertrand Russell Studies
John Walker: documents related to Charles Babbage's Analytical Engine, and a large amount of other material
B. B. Bantchev