Robert Adams Jr.
[3] He was a member of the United States Geological Survey during the explorations of Yellowstone National Park, from 1871 to 1875."[4] He was appointed United States Minister to Brazil on April 1, 1889, and served until June 1, 1890, when he resigned.[2] He was elected to Congress as a Republican to fill the vacancy caused by the death of Charles O'Neill on December 19, 1893.He then served as a Republican representative from the 2nd Pennsylvania district in the congresses 53rd, 54th and 55th, when acting chairman of the committee on foreign affairs and reported the Cuban resolutions and the declaration of war against Spain.[2] He was re-elected to the 56th, 57th and 58th congresses also from the 2nd Pennsylvania district, serving until his death, and was a member of various committees, while he contributed to periodicals and lectured.