Some heros in the world of computer science.

# Founding Fathers (pre 1960)

### George Boole (1815 - 1864)

Boolean algegra. Papers *The Mathematical Analysis of Logic* (1847), and *An Investigation of the Laws of Thought* (1854).

### Friedrich Ludwig Gottlob Frege (1848 - 1925)

Analytic philosophy. Developed modern logic in the Begriffsschrift and work in the foundations of mathematics. Books *The Foundations of Arithmetic*, *On Sense and Reference* and *The Thought*.

### Alan Turing (1912 - 1954)

The father of theoretical computer science. Formalised the concepts of algorithm and computation through the notion of a *Universal Machine* (i.e Turing Machine) in his seminal paper *On Computable Numbers, with an Application to the Entscheidungsproblem*.

### John von Neumann (1903 - 1957)

Implementer of the “Turing Machine”.

### Mauris Wilks

EDSAC, the first practical implementation of von-neumann architecture.

# Golden Age (1960-90)

### Tony Hoare (1934)

Hoare logic (for verifying correctness), formalised the interaction of concurrent processes with communicating sequential processes (CSP), and invented the quicksort algorithm.

### John McCarthy

Creator of LISP. First dynamic language.

### Ken Thompson

Unix. The B programming language. The Go programming language. Co-creator of the Plan 9 operating system. Regular expressions, UTF-8 encoding, and text editors QED and `ed`

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### Dennis Ritchie (1941-2011)

The C programming language and Unix. Commonly known by his username `dmr`

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### Douglas McIlroy (1932)

Unix pipes, and software componentization.

### Bill Joy

BSD and vi. Paper *Why The Future Doesn’t Need Us*.

### Joe Armstrong

Erlang. Fault tolerant distributed systems.

### Alan Kay

OO. SmallTalk. Squeak.

### Larry Wall

Perl.

### Richard Stallman

GNU (GNU Not UNIX).

### Linus Torvalds

The Linux kernel and Git.

### David Cutler

VMS and Windows NT kernel.

### Rob Pike

golang, SysV, X Windows.

### Rich Hickey

Clojure.

# Internet Age (1990 - 2000)

### Robert Griesemer

Golang.

### Bryan Cantrill

DTrace.