"Great physics does not automatically imply complicated mathematics!" Martinus Veltman, born 27 June 1931.
"The life and soul of science is its practical application." William Thomson, Lord Kelvin, born 26 June 1924.
"If they can, in their proposals, write the word nano, the chances for funding increase." Alexei Alexeyevich Abrikosov, born 25 June 1928.
"The experimenter dealing with nature faces an outside and often hard world. Natures' curriculum cannot be changed." Martin Perl, born 24 June 1927.
"If you can’t reduce a difficult engineering problem to just one 8-1/2 x 11-inch sheet of paper, you will probably never understand it." Ralph Brazelton Peck, born 23 June 1912.
"To understand is to marvel." Larkin Kerwin, born 22 June 1924.
"That which can affect our senses in any manner whatever, is termed matter." Siméon Denis Poisson, born 21 June 1781.