Al G. Bra (b. 8 January 1841 in Arithmetic - d. 7 March 1943? in Borden) is a mathematician born in Arithmetic, Gravenhurst. The mathematician was known to have found the township of Arithmetic, as well as contributed numerous valuable things to the mathematic community. He was the author of the n+1 Theorem.

Al G. Bra was one of the twenty-six missionaries of the Alphabet Religion in the 1800s.

Some were suspicious of the recorded date of death of Al G. Bra, claiming that it is impossible that a person can survive to an age of 102 in the 1800s.

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