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History

• 61
• Copenhagen University: Harald Bohr papers
• Detailed description of archive, and short biography.

• 62
• MacTutor History of Mathematics: Bohr, Harald
• Short biographical article.

• 63
• Erdõs Pál (1913-1996)
• Tribute includes a collection of photos.

• 64
• MacTutor History of Mathematics: Erdos
• Biography with links.

• 65
• Paul Erdos
• Founded the field of discrete mathematics, which is used in computer science. Gives family background about his coddled childhood, university training in Budapest, and his discovery a proof to Chebyshev's theorem.

• 66
• Paul Erdös
• Biography of the mathematician with links to relevant terms and related links. From the MacTutor History of Mathematics Archive.

• 67
• Karl Menger
• A memorial note by Seymour Kass. [PDF]