T. O. Engset

Tore Olaus Engset (May 8, 1865 – October, 1943 in Oslo) was a Norwegian mathematician and engineer who did pioneering work in the field of telephone traffic queuing theory.

in physics and mathematics in 1894 at University of Oslo, after which he worked at Televerket as office worker, traffic analyst and from 1921 to 1922 and 1930–35 director general.

That work was translated to German as "Die Wahrscheinlichkeitsrechnung zur Bestimmung der Wählerzahl in automatischen Fernsprechämtern", in Elektrotechnische Zeitschrift, Heft 31, 1918.

An English translation appeared in Arne Myskja, "On the Calculation of Switches in an Automatic Telephone System" in Telektronikk, 94(2):99-142, 1998.

Ergänzende Betrachtungen über Bahnformen und Strahlungsfrequenzen" (3 parts) in Annalen der Physik, 82 (1927) 1017; 83 (1927) 903; 84 (1927) 880.

Engset in 1935.
The farm at Engset in Stranda , where T. O. Engset grew up
T. O. Engset and his wife Marie Amalie (1856–1927).