How old was henry b eyring when jk rowling was born?

What was the age (length of time since creation) of Henry Bennion Eyring (born May 31, 1933), the American educational administrator, author, and religious leader who is First Counselor in the First Presidency of The Church of Jesus Christ of Latter-day Saints (LDS Church) at the time Joanne "Jo" Rowling, OBE, FRSL (born 31 July 1965), pen name J. K. Rowling, the British novelist, best known as the author of the Harry Potter fantasy series is born on (has as his or her date of birth)?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
July 31st 1965 is the birthdate of J. K. Rowling ([fact: ["19264649@trueknowledge.com"]])

May 31st 1933 is the birthdate of Henry B. Eyring ([fact: ["17897208@trueknowledge.com"]])

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: 32 years, 2 months and 0 days old is the age of Henry B. Eyring

Fact 1 is true at July 31st 1965

By calculation (generator: ["applies_at_timepoint@trueknowledge.com"]) I know that:
Fact 1 is true at July 1965

By calculation (generator: ["human_age@trueknowledge.com"]) I know that:
Fact 1: 32 years, 2 months and 0 days old is a age

Fact 1: 32 years, 2 months and 0 days old applies to Henry B. Eyring

Fact 1 is true at July 31st 1965

By calculation (generator: ["ismoreaccurate1@trueknowledge.com"]) I know that:
July 31st 1965 is a more accurate version of July 1965

I used the following facts to provide this answer:

July 31st 1965 is the birthdate of J. K. Rowling

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May 31st 1933 is the birthdate of Henry B. Eyring

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