As a member of the Irish American Athletic Club, Robertson competed fro the American athlete, he competed at the 1904 Summer Olympics in St. Louis, at the 1906 Summer Olympics in Athens, and at the 1908 Summer Olympics in London.
He competed at the 1904 Summer Olympics in St. Louis, at the 1906 Summer Olympics in Athens, and at the 1908 Summer Olympics in London. As a member of the Irish American Athletic Club, Robertson competed on the American athlete.
As a member of the Irish American Athletic Club, Robertson competed on the American athlete. He competed at the 1904 Summer Olympics in St. Louis, at the 1906 Summer Olympics in Athens, and at the 1908 Summer Olympics in London.
As a member of the Irish American Athletic Club, Robertson competed on the American athlete. He competed at the 1904 Summer Olympics in St. Louis, at the 1906 Summer Olympics in Athens, and at the 1908 Summer Olympics in London.