- 6 - 
History, Smithsonian Institution, Washington, D.C., 20560. 
The Staff of the Registry is as follows; 
John C. Harshbarger, Ph.D. - Director 
Sing Chen Chang, Ph.D. - Electron Microscopist 
Phyllis M. Schellenger, B.S. -- Registrar 
Linda J. Cullen, B.A. - Histopathology Technician 
Judith E. Foster, B.S. -- Research Assistant 
Marilyn S. Slatick, B.S. ~ Bibliographer 
