Student, Art Student's League, New York City, 1912-1913; student, Beaux Arts, 1913-1914.
Born in New York, Brookman received early training in the office of society architect Harrie T. Lindeberg. Brookman came to Oregon in 1923 at the request of client Lloyd Frank, and spent the rest of his career there before retiring to California. Noted Portland architect John Yeon trained in his office.
The 1926 Bitar Mansion designed by Brookman was put up for sale in 2006.
Fellow American Institute of Architects (president Oregon chapter). Member Oregon History Society, Portland Art Museum, Portland Chamber of Commerce, Civic Club.
Married Sophie Elson, December 7, 1911. Children: Bernard, Emanuel, Dorothy Rose.