|Mathematicians born on this day:||Mathematicians who died on this day:|
|William Rowan Hamilton||Otto Hesse||Gerhard Gentzen|
I regard it as an inelegance, or imperfection, in quaternions, or rather in the state to which it has been hitherto unfolded, whenever it becomes or seems to become necessary to have recourse to x, y, z, etc...
Quoted in a letter from Tait to Cayley.
Another quotation by one of today's mathematicians.
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|JOC/EFR May 2017||School of Mathematics and Statistics
University of St Andrews, Scotland