Johannes Peter Müller ( 14 July 1801 - 28 April 1858 ) , was a German physiologist , comparative anatomist , ichthyologist , and herpetologist , known not only for his discoveries but also for his ability to synthesize knowledge .
Johannes Peter Müller ( 14 July 1801 - 28 April 1858 ) , was a German physiologist , comparative anatomist , ichthyologist , and herpetologist .