TY  - BOOK
AU  - Mcspadden,J.Walker
TI  - How they blazed the way: men who have advanced civilization 
U1  - 925 
PY  - 1960///
CY  - New York
PB  - Dodd, Mead
KW  - Scientists
KW  - Biography
KW  - Inventors
N1  - Includes index
ER  -