Karl M. Vitzthum

[3] He worked at Burnham & Co., at that firm's successor Graham, Anderson, Probst & White, and at Jarvis Hunt.

[2] After Burns died the firm became Vitzthum & Kill, and specialized in churches, schools, high-rise residential, and penal institutions.

[5][3] He self-reportedly proposed that Comiskey Park be built with cantilevering, avoiding use of posts and allowing unobstructed views, but Comiskey balked at the extra cost.

[5] Several of his works are listed on the National Register of Historic Places (NRHP).

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