-7- 
7. Participated in the Annual Review of the National Cancer 
Institute funded/U. S. Environmental Protection Agency (EPA) 
administered program on aquatic environmental carcinogenesis, 
EPA Laboratory, November 11 and 12, 1979, Gulf Breeze, Florida 
PERSONNEL 
Co-Project Officer: 
Dr. Clyde J. Dawe, Head, Comparative Oncology 
Section, Laboratory of Pathology, National Can¬ 
cer Institute, National Institutes of Health, 
Bethesda, Maryland, 20205 
Co-Project Officer: 
Dr. Brian W. Kimes, Division of Cancer Re¬ 
search Resources and Centers, National Can¬ 
cer Institute, National Institutes of Health, 
Bethesda, Maryland, 20205 
Principal Investigator: 
Dr. W. Duane Hope, Chairman, Department of 
Invertebrate Zoology, National Museum of 
Natural History, Smithsonian Institution, 
Washington, D. C., 20560 
Registry Staff 
Director: 
John C. Harshbarger, Ph.D. 
Microbiologist/ 
Electron Microscopist; Sing Chen Chang, Ph.D 
Registrar: 
Phyllis M. Spero (Schellenger), B. S. 
Histopathology 
Technologist: 
Linda J. Cullen, B. A. 
Research 
Assistant: 
Ann M. Charles, B. A. 
Research 
Assistant: 
Marilyn S. Slatick, B. S. 
