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6/27/1951; Dr. Norman Vincent Peale; (Photo By Ira Gay Sealy/The Denver Post via Getty Images)

6/27/1951; Dr. Norman Vincent Peale;  (Photo By Ira Gay Sealy/The Denver Post via Getty Images)

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circa 1950: A boy reads aloud from the Book of Life during a Rosh Hashonah ceremony at Yeshivah University, New York (Photo by Al Barry/Three Lions/Getty Images)

circa 1950:  A boy reads aloud from the Book of Life during a Rosh Hashonah ceremony at Yeshivah University, New York  (Photo by Al Barry/Three Lions/Getty Images)

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Eleven Roman Catholic nuns with thermometers in their mouths wait to give blood for the troops in Korea in response to Cardinal Spellman's request for assistance, New York, New York, October 12, 1951. Over 500 nuns responded to the plea. (Photo by Underwood Archives/Getty Images)

Eleven Roman Catholic nuns with thermometers in their mouths wait to give blood for the troops in Korea in response to Cardinal Spellman's request for assistance, New York, New York, October 12, 1951. Over 500 nuns responded to the plea. (Photo by Underwood Archives/Getty Images)

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circa 1955: A Jewish - Christian inter-faith dinner and panel discussion, organised by the Mitzvah chapter BBG. (Photo by Three Lions/Getty Images)

circa 1955:  A Jewish - Christian inter-faith dinner and panel discussion, organised by the Mitzvah chapter BBG.  (Photo by Three Lions/Getty Images)