Karl Abraham can be considered one of Sigmund Freud's most creative and devoted disciples, and has been one of the most important voices in the development of psychoanalysis. Despite dying young, his key works provide an invaluable contribution to psychoanalysis as one of its most influential founding fathers.In 1907, he had his first contact with Freud, with whom he developed a lifetime relationship. Returning to Germany, he founded the Berliner Society of Psychoanalysis in 1910. He was the president of the International Psychoanalytical Association from 1914 to 1918 and again in 1925. Abraha...