Waldemar Dyrssen (1886-1928)
1928 Obituary 
WALDEMAR DYRSSEN died as the result of a motor-car accident on August 4, 1928.
He was born in Stockholm in 1886, and graduated from the Royal Technical University in that city as a metallurgical engineer in 1908.
For the following year he was employed in the department of construction of Les Petits-Fils de Francois de Wendel et Cie, Alsace-Lorraine. For the next three years he was blast-furnace and open-hearth superintendent with the Uddeholm Co., Sweden.
From 1913 to 1915 he was a designing engineer in the department of construction of the Bethlehem Steel Co. He was next employed by the United States Steel Corporation as a metallurgical engineer, until in 1924 he joined the Blaw-Knox Co. as chief engineer of the furnace equipment department. While with the Steel Corporation he took part in the development of the Heroult electric furnace.
He became a member of the Iron and Steel Institute in 1924, in which year he presented to that body a paper on "The Recovery of Waste Heat in Open-Hearth Practice."