Thomas Jefferson wrote his own epitah without mentioning that he was a US President.
Thomas Jefferson
the athenian epitah
The last president to extensively write his own speeches was Jimmy Carter. He was known for his hands-on approach to speechwriting and wrote many of his own speeches during his presidency from 1977 to 1981.
John Lennon wrote In His Own Write.
The president that wrote the first ten amendments is......James Madison
Reagan
He wrote his memoirs.
The president that wrote a best selling autobiography was Jimmy Carter. His book, "Why Not the Best" was published in 1975.
He wrote many speeches. He was the third president
Garfield (The president, not the cat)
Irving Wallace wrote "The Man" in 1964. John DeBrizzi wrote "America" in 2009. In the novel the President's name was "Moses Shabalala".
Jefferson