[2]: 3 [3] He was the son of mining engineer Reuben Rickard, and the brother of Thomas Rickard, a mining engineer and one-time mayor of Berkeley, California.

[5] For many years around the turn of the century, he was the editor of a mining journal in London.

Due to his close connection with President Herbert Hoover, Rickard's diary has become an important source of information about Hoover.

[3] Rickard died on January 21, 1951[6] in San Francisco, California.

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