Sir Frank Williams is now out of hospital after a long illness.
It emerged last weekend that the 74-year-old, perhaps the oldest living tetraplegic following his 1986 car crash, was suffering from pneumonia.
Team officials admitted founder and boss Williams had been in hospital since falling ill at the Italian grand prix in early September.
"I’m very pleased and happy to say he’s now back home, back at the factory, with us," his daughter, team deputy Claire Williams, said on Thursday at Williams’ 2017 driver announcement.
"It was a slow recovery but I’m really pleased to say he’s pretty much back to the old Frank we know and love," she added.