List of Famous people named Ian

Ian H. Witten is a computer scientist at the University of Waikato, New Zealand. He is a Chartered Engineer with the Institute of Electrical Engineers in London who graduated from the University of Cambridge with a BA and MA in mathematics in 1969 and an M.Sc. in mathematics and computer science from the University of Calgary, where he was a Commonwealth Scholar, in 1970. He received his Ph.D. for Learning to Control in 1976 from the University of Essex, England. Witten discovered temporal-difference learning, inventing the tabular TD(0), the first temporal-difference learning rule for reinforcement learning. Witten is a co-creator of the Sequitur algorithm and conceived and obtained funding for the development of the original WEKA software package for data mining. Witten further made considerable contributions to the field of compression, creating novel algorithms for text and image compression with Alistair Moffat and Timothy C. Bell. He is also one of the major contributors to the digital libraries field, and founder of the Greenstone Digital Library Software.

Ian Hunter is a visual effects artist. He won two Academy Awards for Best Visual Effects for the 2014 film, Interstellar, at the 87th Academy Awards in 2015 and for the 2018 film, First Man, at the 91st Academy Awards in 2019.

Ian Christopher Stanley is an English musician, songwriter and record producer. He was previously a member of the English band Tears for Fears for most of the 1980s, and played a key role in the making of their multi-platinum selling second album Songs from the Big Chair.

Ian Michael Smith is an American actor, known for his starring role in Simon Birch.