Siegfried K. Wiedmann is a German

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 electrical engineer noted for his contributions to semiconductor

Semiconductor

A semiconductor is a material with electrical conductivity due to electron flow intermediate in magnitude between that of a conductor and an insulator. This means a conductivity roughly in the range of 103 to 10−8 siemens per centimeter...

 technologies for integrated circuit

Integrated circuit

An integrated circuit or monolithic integrated circuit is an electronic circuit manufactured by the patterned diffusion of trace elements into the surface of a thin substrate of semiconductor material...

s.

Wiedmann was born in Plochingen, Germany, in 1938. He received the Diplom-Ingenieur (1963) and Doctor-Ingenieur (1967) degrees in electrical engineering from the University of Applied Sciences Stuttgart

University of Applied Sciences Stuttgart

The Stuttgart Technology University of Applied Sciences - Hochschule für Technik - is one of ten institutes for higher education in Stuttgart...

, then worked at the IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

 Laboratories in Böblingen

Böblingen

Böblingen is a town in Baden-Württemberg, Germany, seat of Böblingen District. Physically Sindelfingen and Böblingen are continuous.-History:Böblingen was founded by Count Wilhelm von Tübingen-Böblingen in 1253. Württemberg acquired the town in 1357, and on 12 May 1525 one of the bloodiest battles...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and in the United States, ultimately becoming an IBM Fellow

IBM Fellow

An IBM Fellow is an appointed position at IBM made by IBM’s CEO. Typically only 4 to 9 IBM Fellows are appointed each year, at the annual Corporate Technical Recognition Event in May or June. It is the highest honor a scientist, engineer, or programmer at IBM can achieve.The IBM Fellows program...

. Together with Horst H. Berger

Horst H. Berger

Horst H. Berger is a German electrical engineer noted for his contributions to semiconductor technologies for integrated circuits....

, Wiedmann received the 1977 IEEE Morris N. Liebmann Memorial Award

IEEE Morris N. Liebmann Memorial Award

The initially called Morris Liebmann Memorial Prize provided by the Institute of Radio Engineers , 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 had "made public during the recent past an important...

 "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.