Franz Breisig (1868–1934) was a German mathematician, chiefly known for his work on quadripoles (1921), later to be known as two-port networks.
Publications Breisig, Dr F, Theoretische Telegraphie, Braunschweig, F. Vieweg und Sohn, 1910.
Patents Breisig, F, Method and Arrangement for Determining Crosstalk in Multicircuit Systems, US patent 492 034, filed 13 Aug 1921, issued 30 Jun 1925
See also
Black box
References Belevitch, V, "Summary of the history of circuit theory", Proceedings of the IRE, vol 50, Iss 5, pp. 848–855, May 1962.