Pat's spelling is bad in a few places. For example, I think illuminate in the second paragraph is eliminate. Pat spent time in Winnipeg, Canada, and sometimes it shows up in the language, such as with "eh?" at the end of one sentence.
Leonard is having doubts about getting into medical school, so he might try engineering. At the same time he and a friend are inventing a new diving unit.
I do not see a movie from the 1940s for Man and Superman. In the mid 1940s the George Bernard Shaw's 1947 comedy "Man and Superman" was playing on Broadway and may have made it west to California. Or Pat is talking about the 1946 BBC broadcast of the play by radio.
I am uncertain which Flavell Pat is talking about: Arnold and Leonard knew both Ed Flavell and Kenny Flavell.
The return address for Pat is 3056 Shasta Circle North, Los Angeles.
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