www.awn.com/vfxworld/eyes-have-it-stuart-adcock-talks-will-smith-23-and-50-gemini-man
Further approaches to de-aging processes, 2D vs 3D
https://www.hollywoodreporter.com/news/gemini-man-irishman-dawn-de-aged-actor-1246022
Weta Digital Head of Facial Motion Department Stuart Adcock Talks Will Smith at 23 and 50 in ‘Gemini Man’
