 |
 Oscar
Minkowsky (1858-1931) |
 George
Frederick Still (1868-1941) |
 Frederick
M. Allen (1879-1964) |
|
 Frederick
Sanger (1918) |
|
|
|
|
Jonas
Edward Salk (1914-1998) |
   |
 |
|
Oscar
Minkowsky (1858-1931) |
George
Frederick Still (1868-1941) |
| Frederick
M. Allen (1879-1964) |
|
Frederick
Sanger (1918) |
|
|
|
|
|
|
|