Siegfried K. Wiedmann (born in 1938) is a German

electrical engineer Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

noted for his contributions to

semiconductor A semiconductor is a material which has an electrical resistivity and conductivity, electrical conductivity value falling between that of a electrical conductor, conductor, such as copper, and an insulator (electricity), insulator, such as glas ...

technologies for

integrated circuit An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon. Large numbers of tiny ...

s. Wiedmann was born in

Plochingen Plochingen (Swabian: ''Blocheng'' or ''Blochenga'') is a town in the district of Esslingen in Baden-Württemberg in southern Germany. It lies on the river Neckar, on which it has a river port. With about 14,000 inhabitants, it is part of the Stuttg ...

, Germany. He received the Diplom-Ingenieur (1963) and Doctor-Ingenieur (1967) degrees in electrical engineering from the

University of Applied Sciences Stuttgart The Hochschule für Technik Stuttgart - University of Applied Sciences (german: Hochschule für Technik Stuttgart, HFT Stuttgart) is one of ten institutes for higher education in Stuttgart. It was founded in 1832 as a school for construction cra ...

, then worked at the IBM Laboratories in

Böblingen Böblingen (; Swabian German, Swabian: ''Beblenga'') is a town in Baden-Württemberg, Germany, seat of Böblingen (district), Böblingen District. Sindelfingen and Böblingen are Geographic contiguity, contiguous. History Böblingen was found ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

and in the United States, ultimately becoming an

IBM Fellow An IBM Fellow is an appointed position at IBM made by IBM's CEO. Typically only four to nine (eleven in 2014) IBM Fellows are appointed each year, in May or June. Fellow is the highest honor a scientist, engineer, or programmer at IBM can achie ...

. Together with

Horst H. Berger Horst H. Berger (born March 30, 1933) is a German electrical engineer noted for his contributions to semiconductor technologies for integrated circuits. Berger was born in Liegnitz (Legnica), Lower Silesia, and received the Vordiplom. from the T ...

, Wiedmann received the 1977

IEEE Morris N. Liebmann Memorial Award The initially called Morris Liebmann Memorial Prize provided by the Institute of Radio Engineers (IRE), the IEEE Morris N. Liebmann Memorial Award was created in 1919 in honor of Colonel Morris N. Liebmann. It was initially given to awardees who h ...

"for the invention and exploration of the Merged Transistor Logic, MTL".

Selected works

* H. H. Berger and S. K. Wiedmann, "Merged-Transistor Logic (MTL) - A Low-Cost Bipolar Logic Concept", IEEE Journal of Solid-State Circuits, vol. SC-7, No. 5, Oct. 1972, pp. 340–346.

References

High-Speed Split-Emitter 12L/MTL Memory Cell
{{DEFAULTSORT:Wiedmann, Siegfried K. 1938 births Living people People from Esslingen (district) German electrical engineers IBM Fellows Engineers from Baden-Württemberg