John Adam
There is no known author named 'John Adam' in the provided search results. The name may be a misspelling of John Adams (the second U.S. President, born 1735, died 1826) or John A. Adam (a British mathematics professor and author of Mathematics in Nature, born in Norfolk, VA, with no public birth/death dates listed). Without clarification, no biography can be provided for an author named 'John Adam'.