Steve Grand OBE (born 12 February 1958) is a British computer scientist and roboticist. He was the creator and lead programmer of the Creatures artificial life simulation, which he discussed in his first book Creation: Life and how to make it, a finalist for the 2001 Aventis Prize for Science Books. He is also an Officer of the Most Excellent Order of the British Empire, which he received in 2000.
Grand's project from 2001-2006 was the building of an artificial robot baby orang-utan, with the intention of having it learn as a human baby would. This is documented in his book Growing up with Lucy.
One of the best known projects created by Steve Grand is Creatures, an Artificial Life simulation, which his company Cyberlife released in 1996.
- Lucy, the Android
His project from 2001–05 was Lucy, a mechanical baby orang-utan. Lucy was an attempt at simulating the mind of a human baby.
Grand worked on Sim-biosis, a computer simulation game in which complete artificial creatures could be built from functional, structural units. It is available on SourceForge under the name Simergy.
In February 2011, Grand announced a new project, Grandroids, described as "real 'alien' life forms who can live in a virtual world on your computer".