Ivan Polunin (1920–2010) was a medical doctor, author, teacher, documentary filmmaker, and photographer. He is best known for his rare colour films,[1] which document cultural traditions and wildlife in Singapore[2] and Malaysia from the 1950s.[3] The films contain important historical and sociological information, and were recently the subject of a local documentaries Lost Images[4][5] and "Invisible City" which showed his well-preserved film archive. His work has been featured in National Geographic magazine; aired on the BBC and stored in the Smithsonian.