Wilhelm His Sr.

Wilhelm His Sr.
c. 1900
Born	(1831-07-09)9 July 1831 Basel, Switzerland
Died	1 May 1904(1904-05-01) (aged 72) Leipzig, Germany
Nationality	Swiss
Known for	Microtome, contribution to neuron doctrine

Wilhelm His Sr. (9 July 1831 – 1 May 1904) was a Swiss anatomist and professor who invented the microtome. By treating animal tissue with acids and salts to harden it and then slicing it very thinly with the microtome, scientists were able to further study the organization and function of tissues and cells under a microscope.