First clue: This photo was taken around the time Tarbell knew him.
Bonus clue: He wrote letters of introduction for Tarbell, including one to John Hay.
Best
Rob
Abraham Lincoln is the only man, dead or alive, with whom I could have spent five years without one hour of boredom.
--Ida M. Tarbell
I want the respect of intelligent men, but I will choose for myself the intelligent.