| Theo Härder | |
| Birth Date: | 28 August 1945 |
| Birth Place: | Bad Neustadt an der Saale |
| Nationality: | German |
| Occupation: | Computer scientist |
| Field: | Computer science |
| Work Institution: | Technische Universität Darmstadt University of Kaiserslautern |
| Alma Mater: | Technische Universität Darmstadt |
| Known For: | Work on database, transaction processing systems and parallel and distributed computer systems |
| Awards: | Konrad Zuse Medal |
| Doctoral Advisor: | Hartmut Wedekind |
| Thesis Year: | 1974 |
| Thesis Title: | Das Zugriffszeitverhalten von Relationalen Datenbanksystemen. |
| Doctoral Students: | Erhard Rahm |
Theo Härder (born August 28, 1945 in Bad Neustadt an der Saale, Germany) is a Professor of Computer Science at the University of Kaiserslautern.
Theo Härder studied electrical Engineering at the Department of Electrical Engineering and Information Technology of the Technische Universität Darmstadt, earning his doctorate there in 1975. In 1976 he moved to the IBM Research - Almaden in San Jose, California. In 1977 he returned to TU Darmstadt as a professor at the Department of Computer Science. In 1980 he accepted an appointment at the University of Kaiserslautern in computer science.[1]
Härder has received numerous awards for outstanding scientific achievements in the field of databases. He participated in the development of System R, the first relational database management system.
In 1983, he and Andreas Reuter coined the acronym ACID to describe the essential characteristics of a distributed relational database (Atomicity, Consistency, Isolation, and Durability).[2]
Konrad Zuse Medal, 2001Honorary doctorate from Universität Oldenburg, 2002