# Timeline of Life facts

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**Conway's Game of Life** is in its forties. This is a timeline of the discoveries of the game patterns and related software or inventions.

## 1970 C.E.

- John Horton Conway, inventor of the Game of Life.
- First oscillators of periods 2, 3, 4, 8, 14, 15 and 30 found : blinker, pulsar, pinwheel, figure eight, tumbler, pentadecathlon and queen bee shuttle.
- The first
*c/4*diagonal spaceship discovered by Richard Guy : the glider - the only known till 1999. - The first
*c/2*spaceship to be found was the lightweight spaceship, by John Conway

## 1970s

- Lifeline, first Life newsletter edited and published by Robert Wainwright, March 1971
- The first known puffers that travelled at c/2 orthogonally, found in 1971

## 1980s

- The HashLife algorithm first described by Bill Gosper in the early 1980s
- Dean Hickerson creates the first oscillator search program in 1989

## 1990s

- The first non-monotonic spaceship, the 13-engine Cordership, in 1991
- The first c/5 orthogonal spaceship to be discovered was the snail, 1996
- The first true period 24 and 48 guns in June 1997.

## 2000s

- First oscillators of period 37, 51 found in 2009
- LifeWiki goes live — January 2009
- LifeWiki's 600 patterns milestone — June 2009

## 2010s

- The first elementary oblique spaceship, Sir Robin, is discovered in late 2018.