# Mathematical Digest

### Short Summaries of Articles about Mathematics

in the Popular Press

"1904 and all that," by J.L. Heilbron and W.F. Bynum. *Nature*, 18/25 December 2003.

Among the scientific anniversaries this year are Jacob Bernoulli's birth in1654; Blaise Pascal's never-published book on conic sections, *Traite dutriangle arithmetique* and his correspondence with Pierre Fermatestablishing the foundations of probability theory in 1654; and the death ofcodebreaker and computer theorist Alan Turing in 1954.

*--- Annette Emerson*