Red Delicious
The Red Delicious is a clone of apple cultigen, now comprising more than 50 cultivars, first recognized in Madison County, Iowa, in 1880. According to the US Apple Association website, it is one of the fifteen most popular apple cultivars in the United States.
David Cowan (politician)
Cowan is credited with bringing the first apple trees to the state of Michigan in 1796, a variety similar to the Red Calville which he brought to Detroit.