Dates are not exact!! 
Where are memories stored? 
4th century BC  Aristotle 
Year 0 Alexandrian anatomists
2nd century AD Galen
Midevil Scholars
St Augustus
9th century Costa ben Luca
13th century  Albert Magnus
Vesalius
Leonardo Da Vince
1649 Descarte
Harvey
1760 Galvani
Volta
1880's T.Ribot/SKorsakoff/J.H. Jackson
1890's Sechenov/
1900 Golgi/Ramon Y Cajal
1900 Sherrington
1930's Dale/Loewi
1910- Thorndike
1927 Pavlov
1940's Skinner
1948 Penfield
1950 Lashley
 
How are memories formed? 
1649 Descarte
Hobbes
1885 Ebbinghaus
1900 Alfred Binet
1900 Golgi/Ramon Y Cajal
1890's Sechenov/
1910- Thorndike
1927 Pavlov
1928 Janet
1932 Bartlett
1940's Skinner
1949 Hebb
1950 Lashley