1845 - 1912, 1885: Patholge; New York Polyclinic School of Medicine; 1888: Director of the Patho-Biological Laboratory of the State Univ. of Nebraska
1845 - 1912, 1885: Patholge; New York Polyclinic School of Medicine; 1888: Director of the Patho-Biological Laboratory of the State Univ. of Nebraska