Adjunct Professor, Senior Research Fellow, Dr.Sc. Tech.
Tampere University of Technology
Department of Pervasive Computing
- Korkeakoulunkatu 1
- 33720 TAMPERE
- jussi . collin (at) tut.fi
TUT Research Group
UofC PLAN Research Group
For all of Kummer's work on the cutting edge of number theory, he was
apparently rather bad at elementary arithmetic. One story has him standing
before a blackboard trying to compute 7 times 9. "Ah," Kummer said to his
high school class, "7 times 9 is eh, uh, is uh..." "61," one of his
students volunteered. "Good," said Kummer, and wrote 61 on the board.
"No," said another student, "it's 69." "Come, come, gentlemen," said
Kummer, "it can't be both. It must be one or the other." - Hoffman, The
Man Who Loved Only Numbers