Complete set of words to be searched in this puzzle :
Louis leakey
, Marie curie
, Max born
, Max planck
, Michael faraday
, Morris kline
, Nicolas copernicus
, Niels bohr
, Pierre curie
, Pierre louis dulong
, Ptolemy
, Robert boyle
, Robert hooke
, Robert oppenheimer
, Stephen gould
, Stephen hawking
, Thomas huxley
, Tycho brahe
, Wilhelm roentgen
, William harvey
, William herschel
, William kelvin
, William parsons rosse