Karl Paul Billner, Swedish civil engineer, inventor. Recipient Frank P. Brown medal Franklin Institute, 1946. Member American Concrete Institute (Turner Gold medal 1962), American Society Swedish Engineers (president 1933-1934). Developed light weight concrete “aerocrete,” 1st used in Imperial British Exposition, 1925, since by Bethlehem Steel Company, United States government, others.
1 son, Borje Frederik. Married second, Margareta Kohalnder, September 24, 1931. Came to the United States, 1906.
Irrigation engineer Moses Coulee Fruit Company, Washington, locating engineer Northern Pacific Railroad, Montana, locating and resident engineer Washington Highway Department, 1907-1912. Bridge engineer Columbia River Highway Oregon (designed and supervised construction 1st concrete bridges in Oregon), 1913-1914. Engineering and building construction, Stockholm, 1916-1924.
Formed Aerocrete Britain Ltd., London, 1925. Organized Aerocrete Corporation Canada, Montreal, Aerocrete Corporation American, New York, interested in associate companies in 29 countries. President Vacuum Concrete Corporation, Philadelphia, Billner Vacuum Concrete, S.A. Philadelphia.
Director Societe du Vacuum Concrete, Paris, France, Societa Italiana del Vacuum Concrete, Rome, Italy. Board Governors American Swedish History Foundation, Philadelphia.