The British artist Tacita Dean spent time in Los Angeles in 2015, researching at the Getty Institute. She visited Hockney, later filming him smoking in a contemplative state for her work Portraits (2016). When visiting she was accompanied by her 11-year-old son Rufus. Reminded of himself at the same age, Hockney felt compelled to paint Rufus, who proved to be a very good sitter, becoming very engaged in the process. [http://arthistorynewsreport.blogspot.nl/2017/11/david-hockney-82-portraits-and-1-still.html]