1910 – 1992
Science journalist
Bibliografía (27 obras)
Blueprints
1990
1989
Blueprints - Solving the Mystery of Evolution
El primer antepasado del hombre
1985
Lucy
1983
1981
Las Primeras culturas de Grecia
1980
Great photographic essays from Life
1978
Lost World of the Aegean (The Emergence of Man)
1975
The lost world of the Aegean
Lost world of the Aegean
The Northeast Coast--The American Wilderness Series
The sea traders
1974
Emergence Of Man - Sea Traders
Missing Link (Emergence of Man)
1973
Le chaînon manquant
The Missing Link (The Emergence of Man)
1972
Northeast Coast (American Wilderness)
The missing link
Time capsule, 1943
1968
Time Capsule 1943
American water birds
1941
American songbirds
1940
The Sea Traders (The Emergence of Man)
1920
Los fenicios
