(source) 
Edward Charles Titchmarsh
(1 Jun 1899  18 Jan 1963)

Science Quotes by Edward Charles Titchmarsh (2 quotes)
It can be of no practical use to know that Pi is irrational, but if we can know, it surely would be intolerable not to know.
— Edward Charles Titchmarsh
Perhaps the most surprising thing about mathematics is that it is so surprising. The rules which we make up at the beginning seem ordinary and inevitable, but it is impossible to foresee their consequences. These have only been found out by long study, extending over many centuries. Much of our knowledge is due to a comparatively few great mathematicians such as Newton, Euler, Gauss, or Riemann; few careers can have been more satisfying than theirs. They have contributed something to human thought even more lasting than great literature, since it is independent of language.
— Edward Charles Titchmarsh
See also:
 1 Jun  short biography, births, deaths and events on date of Titchmarsh's birth.
 Theory of Functions, by Edward Charles Titchmarsh.  book suggestion.