He was the first in Equatorial Africa to use electric shock therapy for the treatment of psychiatric disorders and his leprosy village attracted specialists from across the world.
[1][2] He and his wife, Marie, left for Africa later that year and in 1934 set up their own mission station among the pgymy peoples of the Ituri Rainforest, Belgian Congo.
Becker delivered hundreds of babies each year and was the first doctor in Equatorial Africa to successfully use electric shock therapy for the treatment of psychiatric disorders.
[4] He was evacuated from Oicha in 1964 during the Simba rebellion but returned the next year to rebuild his mission, which had been badly damaged by guerilla fighters.
[4][5] A biography of Becker was written in 1967 and the American writer Art Buchwald compared him to the great humanitarian Albert Schweitzer and said that Becker had made the greatest impression on him of any man he met in Africa, while one of his African medical trainees said that "Many missionaries had preached Jesus Christ to me, but in the munganga [doctor] I have seen Jesus Christ.