Wealthy businessmen of the gilded age who followed in the footsteps of andrew carnegie in donating their wealth included leland stanford and william gladden. charles darwin and william gladden. john d. rockefeller and charles darwin. john d. rockefeller and leland stanford.

John D. Rockefeller and Leland Stanford

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.