Show notable Noi able contributor to c i n ce 4 7 4 k dr carl 0 speidel at work lu 10 his laboratory where he conducted the research work that won uon for alm ilm the 1000 prize of the american A co clation for the advancement of science given for a notable con trib ution to lo ce doctor speidel Is shown holding a microscopic ello in v which hach Is a living tadpole it was in the tall of 0 one of 0 these that he observed the growth of nerve cells which according to scientists has proved once and for all that the nerves do not grow as a result of cella forming a chain but that each none nene STOWS grows out of 0 a single cell in a central nervous system doctor speidel Is to professor of anatomy in the university of lirginia in |