OVERTHROW OF AUTHORITY IN SCIENCE 37 
not published until 1754, and therefore did not exert the in- 
fluence upon anatomical] studies that those of Vesalius did. 
The Especial Service of Vesalius.—It should be remem- 
bered that both these men had the advantage of the sketches 
made under the direction of Vesalius. Pioneers and path- 
breakers are under special limitations of being in a new 
territory, and make more errors than they would in following 
Fic. 8.—FALLoPIUS, 1523-1563. 
another’s survey of the same territory; it takes much less 
creative force to correct the errors of a first survey than 
to make the original discoveries. Everything considered, 
Vesalius is deserving of the position assigned to him. He 
was great ina larger sense, and it was his researches in 
particular which re-established scientific method and made 
further progress possible. His errors were corrected, not by 
