April 13, 2026
posted on: Monday, April 13th, 2026, 1:01
Bruno Rossi image courtesy of
Massachusetts Institute of Technology
under the
Creative
Commons Attribution-ShareAlike 3.0 Unported License. Stanislaw Ulam
image courtesy of
Los
Alamos National Laboratory.
Today is the birthday of
- Bruno Rossi (1905-1993).
- Stanislaw Ulam (1909-1984).
© 2026 Stefan Hollos and Richard Hollos