Short answers, pulled from the story.
The Pro Football Hall of Fame is located in Canton, Ohio. Canton was chosen because the NFL was founded there on the 17th of September, 1920, and because the Canton community raised nearly $400,000 to fund the building's construction.
The Pro Football Hall of Fame opened to the public on the 7th of September, 1963. The original building contained just two rooms and 19,000 square feet of interior space.
The Pro Football Hall of Fame has a total of 387 members. Between four and nine new inductees are normally enshrined each year.
The Chicago Bears have the most Hall of Famers among NFL franchises, with 32 official enshrinees, or 41 if players who spent only a minor portion of their careers with the team are counted.
A 50-person Selection Committee, composed largely of media members, selects inductees. The committee meets on "Selection Saturday," the day before each Super Bowl, and a finalist must receive at least 80 percent support to be elected.
The Centennial Slate was a group of 15 additional members elected in 2020 by a special Blue-Ribbon Panel to celebrate the 100th anniversary of the NFL. Ten of the 15 were seniors. They were formally enshrined in 2021 due to the COVID-19 pandemic but remain designated the Centennial Class of 2020.