well thats easy George Washington cause hes the first president
William Henry Harrison was the first president to died in office and the first vice president was George Clinton.
William Henry Harrison was the first president to die in office. He died after a month in office.
The first Vice president to become president is John Tyler the 10th president.
John Tyler
John Tyler, when William Henry Harrison died of an illness. There is a link below.
Whomever he choses.
John Tyler who was the vice president. After Harrison died, Tyler became the "accidental president".
John Tyler was the vice-president who moved up to President when William Henry Harrison became the first US president to die in office.
LBJ
George Washington
John Tyler
John Tyler was the first VP to become president after the death of William Henry Harrison.