I9I2] Columbia Biochemical Association 573 



committee: Ernest D. Clark, Nellis B. Fester, Frederic G. Good- 

 ridge, Paul E. Howe, Edgar G. Miller, Jr., Herman O. Mosenthal, 

 Reuben Ottenberg, Jacob Rosenbloom, Emily C. Seaman, Clayton 

 S. Smith. William H. Welker, Secretary. 



3. Columbia Biochemical Department 

 Death: On May 16, Thuisco Arthur Erpf-Lefkovics, B.S. (Col- 

 lege of the City of New York, 1909), A.M. (inbiologicalchemistry, 

 Columbia, 1910). At the time of his decease, he was a second-year 

 Student of medicine and a candidate for the degree of Ph.D. in 

 biological chemistry. His A.M. thesis was devoted to the results of 

 an experimental study with Dr. Gies on the nature and diffusibility 

 of preexistent salins in protoplasm. During the past two years 

 some of his time was given to embryo-chemical study, in collabora- 

 tion with Drs. R. T. Frank and Jacob Rosenbloom. The untimely 

 death of our young associate has deeply grieved a large body of 

 warm friends. 



Marriage: On June 25, Miss Florence Augusta Osborne and 

 Dr. Alfred P. Lothrop. 



Resignations and appointments. Last February, Dr. W. H. 

 Welker resigned his assistant professorship, to take effect July i. 

 At the last regulär meeting of the officers of the department, the 

 following memorandum, presented by Professor Gies, was unani- 

 mously adopted: 



The officers of the Biochemical Department of Columbia University 

 have received, with deep personal and professional regret, the resigna- 

 tion of Prof. William H. Welker. During his successive term^s as 

 assistant (1904-1907), associate (1910-1911), and assistant professor 

 (1911-1912) in this department, Dr. Welker has given the University 

 devoted and efficient service, both as an executive officer and as a 

 teacher. He has also engaged in research with earnestness and success. 



Dr. Welker has performed his duties with enthusiasm and fidelity. 

 He has been a genial and companionable associate. He has had the 

 respect and esteem of all the students. He has made a permanent 

 impress for good on the past as well as on the future of cur depart- 

 ment. 



As he goes to another field of usefulness, Professor Welker takes 

 with him the cordial good wishes of all his colleagues for his contin- 

 uous success and happiness. 



