Lennart Augustsson is a

Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...

computer scientist A computer scientist is a person who is trained in the academic study of computer science. Computer scientists typically work on the theoretical side of computation, as opposed to the hardware side on which computer engineers mainly focus (al ...

. He was previously a lecturer at the

Computing Science Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to Applied science, practical discipli ...

Department at

Chalmers University of Technology Chalmers University of Technology ( sv, Chalmers tekniska högskola, often shortened to Chalmers) is a Swedish university located in Gothenburg that conducts research and education in technology and natural sciences at a high international level ...

. His research field is

functional programming In computer science, functional programming is a programming paradigm where programs are constructed by Function application, applying and Function composition (computer science), composing Function (computer science), functions. It is a declar ...

and implementations of functional languages. Augustsson has worked for Carlstedt Research and Technology, Sandburst,

Credit Suisse Credit Suisse Group AG is a global investment bank and financial services firm founded and based in Switzerland. Headquartered in Zürich, it maintains offices in all major financial centers around the world and is one of the nine global " ...

Standard Chartered Bank Standard Chartered plc is a multinational bank with operations in consumer, corporate and institutional banking, and treasury services. Despite being headquartered in the United Kingdom, it does not conduct retail banking in the UK, and around ...

Facebook Facebook is an online social media and social networking service owned by American company Meta Platforms. Founded in 2004 by Mark Zuckerberg with fellow Harvard College students and roommates Eduardo Saverin, Andrew McCollum, Dustin M ...

X Development X Development LLC (formerly Google X) is an American semi-secret research and development facility and organization founded by Google in January 2010, which now operates as a subsidiary of Alphabet Inc. X has its headquarters about a mile and a ...

Google Google LLC () is an American multinational technology company focusing on search engine technology, online advertising, cloud computing, computer software, quantum computing, e-commerce, artificial intelligence, and consumer electronics. ...

and is currently employed by

Epic Games Epic Games, Inc. is an American video game and software developer and publisher based in Cary, North Carolina. The company was founded by Tim Sweeney as Potomac Computer Systems in 1991, originally located in his parents' house in Potomac, M ...

. Augustsson is the author of: * The Cayenne

programming language A programming language is a system of notation for writing computer programs. Most programming languages are text-based formal languages, but they may also be graphical. They are a kind of computer language. The description of a programming ...

. * The HBC

Haskell Haskell () is a general-purpose, statically-typed, purely functional programming language with type inference and lazy evaluation. Designed for teaching, research and industrial applications, Haskell has pioneered a number of programming lan ...

compiler. * Several hardware

device driver In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton. A driver provides a software interface to hardware devices, enabling operating systems and ot ...

s for

NetBSD NetBSD is a free and open-source Unix operating system based on the Berkeley Software Distribution (BSD). It was the first open-source BSD descendant officially released after 386BSD was forked. It continues to be actively developed and is a ...

. * The front end of the

pH compiler In chemistry, pH (), historically denoting "potential of hydrogen" (or "power of hydrogen"), is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions (solutions with higher concentrations of ions) are ...

(parallel Haskell) from MIT. * The initial version of the

Bluespec Bluespec, Inc. is a semiconductor tool design company co-founded by Professor Arvind (computer scientist), Arvind of MIT in June 2003. Arvind had previously founded Sandburst in 2000, which specialized in producing chips for 10 Gigabit Ethernet, 10 ...

compiler. He was also a co-developer, with Thomas Johnsson, of Lazy ML, a functional programming language developed in the early 1980s, prior to Miranda and Haskell. LML is a strongly typed, statically scoped implementation of ML, with

lazy evaluation In programming language theory, lazy evaluation, or call-by-need, is an evaluation strategy which delays the evaluation of an expression until its value is needed (non-strict evaluation) and which also avoids repeated evaluations (sharing). The b ...

. The key innovation of LML was to demonstrate how to compile a lazy functional language. Until then, lazy languages had been implemented via interpreted

graph reduction In computer science, graph reduction implements an efficient version of non-strict evaluation, an evaluation strategy where the arguments to a function are not immediately evaluated. This form of non-strict evaluation is also known as lazy evaluati ...

. LML compiled to G-machine code. Augustsson was intimately involved in early

LPMud LPMud, abbreviated LP, is a family of MUD server software. Its first instance, the original LPMud game driver, was developed in 1989 by Lars Pensjö (hence the LP in LPMud). LPMud was innovative in its separation of the MUD infrastructure into a ...

development, both in the LPMUD driver and the CD mudlib. His

MUD A MUD (; originally multi-user dungeon, with later variants multi-user dimension and multi-user domain) is a Multiplayer video game, multiplayer Time-keeping systems in games#Real-time, real-time virtual world, usually Text-based game, text-bas ...

community pseudonym is Marvin. Augustsson has written three winning entries in the

International Obfuscated C Code Contest The International Obfuscated C Code Contest (abbreviated IOCCC) is a computer programming contest for the most creatively obfuscated C code. Held annually, it is described as "celebrating 'ssyntactical opaqueness". The winning code for the 27t ...

: * 1985: Most obscure program
1985/august.c
* 1986: Best complex task done in a complex way

* 1996: Best of Show

References

External links

*
Lennart Augustsson's blog

{{DEFAULTSORT:Augustsson, Lennart Swedish computer scientists Swedish computer programmers Programming language researchers MUD developers Year of birth missing (living people) Living people