KEY AND INDEX 



at Ferrara, Pisa and Padua. Made several im- 

 portant discoveries in the anatomy of the ear, 

 the fallopian tube being named for him. In 

 the controversy over the question as to whether 

 there are valves in the veins, Fallopius declared 

 that he was unable to find such valves. The 

 fact of their existence was established by his 

 contemporaries. 



Faraday, Michael, iii, 241. Born near Lon- 

 don, 1791 ; died at Hampton Court, 1867. Eng- 

 lish chemist and physicist. Apprenticed to a 

 bookbinder, he gave all his spare time to 

 science, especially experiments in electricity. 

 Davy became interested in him and took him as 

 assistant. He became one of the most brilliant 

 experimentalists science has ever known. Liqui- 

 fied certain gases by pressure. Discovered the 

 revolution of a magnetic needle due to an elec- 

 tric current. Discovered action of currents on 

 each other and laid the foundation of magneto 

 electricity. Valuable researches in electrolysis. 

 Discovered benzol, the basis of aniline dyes. 



Fechner, Gustav, iv, 263. Born at Gross-Sahr- 

 chen, 1801; died at Leipsic, 1887. German physi- 

 cist and philosopher. He founded modern psy- 

 chology, and psycho-physics. Educated, Leip- 

 sic for a physician, but turned to physics. Re- 

 searches in electricity and physiological optics. 

 After 1845 devoted himself to philosophy. Ad- 

 vocated mentality of a low order in the plant 

 world. Worked out a comprehensive system of 

 metaphysics. In his most famous work, "Psy- 

 chophysik," he developed the psychophysical 

 measurement methods which are still in use 

 to-day. 



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