S. Dales
WHO Regional Committee for Africa
Andrew Mercer
Z. Ježek
John Dix Fisher
©douard Bosc
Frank Fenner
R.W Moyer
Robert F. Massung
Stuart N. Isaacs
Unknown Author
James Barry Hanshaw
James Beart Simonds
Peter L. Stern
I. W. Fong
S. N. Shchelkunov
Nicholas Muzyczka