45102
He became the first sitting vice president to be elected president since Martin Van Buren in 1836 , the first person to succeed a president from his own party via election since Herbert Hoover in 1929 .
 Martin Van Buren, Herbert Hoover
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Martin Van Buren, Herbert Hoover