â€¢ HEE announces upcoming departure 6/27/53 with son Bob Edgerton to France for collaborative research expedition with J.-Y. Cousteau, sponsored by National Geographic Society.
â€¢ Collaborator James Dugan, science writer from NY
â€¢ list of equipment shipped including deep-sea and shadow photography equipment
[ntbk p. 126: return from Europe on 09/21/1953]