13. Calvin Coolidge
Calvin was the 30th President of the US and his term of office was from 1923 to 1929. He died at an early age of 60 in January 1933, just a few years after his retirement.
14. Theodore Roosevelt
Theodore Roosevelt was the 26th President of the US, who served the office from 1901 to 1909. He was the driving force for the Progressive Era in the country during the early 20th century. His pictures pre and post terms of office show significant changes.
15. Abraham Lincoln
Abraham Lincoln, the 16th president of the US, served office from 1861 to 1865. He was assassinated in April 1865. During his term of office, Lincoln led the US through its Civil War. He is remembered till date for his works to abolish slavery and modernize the US economy.