| http://www.w3.org/ns/prov#value | - Believe me : his office in his home was a treasure trove about the Mariner and Viking missions???After he retired in 1984, some scientists and Mars engineers at JPL still kept contact with him : he was glad to share his great Martian experience when new Mars missions were to be decided (especially for MGCO/Mars Observer, MGS and Pathfinder).Like others, I had great times at JPL with him : he was a
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