The BBC have broadcast a documentary about the life and films of Stanley Kubrick. He is generally understood as one of the great film directors of the 20C.
The film includes interviews with lots of people who worked with Kubrick, including Wendy Carlos, the electronic music pioneer.
You can visit the programme web page, here
https://www.bbc.co.uk/programmes/m000b55c
There’s also a terrific film about the Kubrick research archive called, Kubrick’s Boxes (2005). The archive is housed at LCC, part of UAL.