Conversation so far:
What was the accusation of Harry Dexter White?
Harry Dexter White was accused in 1948 of spying for the Soviet Union.
Was Whittaker Chamberse's accusations about Harry Dexter White found to be valid?
Chambers produced documents he had saved from his days as a courier for the Soviets' American spy-ring. The FBI Laboratory established that a memorandum was written in Harry Dexter White's handwriting.
Why did Whittaker Chambers warn officials about Harry Dexter White?
Whittaker Chambers became increasingly disturbed by Joseph Stalin's Great Purge, which began in 1936. He was also fearful for his own life.
Did officials take the warnings about Harry Dexter White seriously?
The President dismissed the idea of espionage rings in his administration as 'absurd'. The director of the FBI, J. Edgar Hoover also dismissed Chambers' revelations as 'history, hypothesis, or deduction.‘
Are there any other interesting aspects about this article on Harry Dexter White?
Harry Dexter White did not begin his university studies until age 30, first at Columbia University, then at Stanford University, where he earned his first degree in economics.
Did Harry Dexter White receieve any punishments for espionage accusations?
Truman would testify that Harry Dexter White had been separated from the Government service promptly upon receipt of evidence—first from the Treasury, and then from the IMF.

Question: Who are Jenner and Mccarthy?
Self-contained rewrite: Who are Jenner and Mccarthy in relation to Harry Dexter White?