- In geometry, a tridecagon or triskaidecagon or 13-gon is a thirteen-sided polygon.
- Rutherford B. Hayes (Wikipedia)
Rutherford Birchard Hayes (/ˈrʌðərfərd/; October 4, 1822 – January 17, 1893) was an American military officer and politician who served as the 19th president of the United States from 1877 to 1881.