Xandra van Gelder, who oversaw the investigation, said the museum would continue to keep the stone as a curiosity.

负责调查监督的桑德拉·凡·盖尔德说，博物馆会继续将这块石头当作珍品保存。

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Immediately after graduating in 1943, Mr. Van Gelder opened an optometry office in Teaneck, N.

WSJ: Rudy Van Gelder | New Jersey Jazz Revolution | Cultural Conversation by Marc Myers

In 1954, Mr. Van Gelder and his wife, Elva, moved into a nearby apartment.

WSJ: Rudy Van Gelder | New Jersey Jazz Revolution | Cultural Conversation by Marc Myers

Before departing, this writer tried once again to pry Mr. Van Gelder's techniques loose.

WSJ: Rudy Van Gelder | New Jersey Jazz Revolution | Cultural Conversation by Marc Myers