In this context, the two factors involved are sometimes spoken of as something you have and something you know. A common example of two-factor authentication is a bank card: the card itself is the physical item and the personal identification number (PIN) is the data that goes with it.
The 49ers would become the second best team in the league until it dissolved after the 49ers first season, and they joined the NFL ranks along with the Cleveland Browns and the Baltimore Colts. The San Francisco 49ers get their name from the California gold-seekers who stampeded the area in 1849.
For decades, the athletic teams of what is now Gallaudet University used a variety of names. Initially, Gallaudet College teams were mostly known as the Kendalls, after the campus's name of Kendall Green. Kendall Green in turn got its name from Amos Kendall, the philanthropist who founded the University on his Washington, DC estate, and donated the grounds upon his death.