Justin Wilson's injuries sustained at the ABC Supply 500 on Sunday proved fatal, the British driver dead at age 37.
The motorsport world has offered condolences after IndyCar driver Justin Wilson succumbed to head injuries suffered at Pocono Raceway.
British racer Wilson, 37, had competed in American open-wheel racing since 2004. He recorded seven career IndyCar victories - the most recent in 2012 at Texas Motor Speedway - and eight pole starts in 174 races.
Wilson also competed in Formula One earlier in his career for Minardi and Jaguar.
His younger brother, Stefan Wilson, also a competitor in IndyCar, posted on Twitter: "I often told him, I just want to grow up to be half the man he is, as that will make me a pretty good man.
"He lived for this sport, he loved it. The only comfort I feel is that he lived a life he loved! RIP mate, I'll chuffing miss you.
"He loved our parents, his wife Julia his kids Jane Jess! Thats where we need to send love and prayers. Thanks for all your messages."
Wilson's team-mate at Jaguar, Mark Webber, added: "Last night a very good man left us. Mate. So sorry. RIP Justin My thoughts are with your loved ones."
British F1 star Jenson Button: "The motorsport World comes 2 a standstill once again. @justin_wilson was a great person racing driver. My thoughts are with his family RIP."
"I raced with Justin as far back as 1989 in Karting and remember his smile was infectious, such a lovely guy. #RIPJustin."
Legend of F1 and IndyCar, Nigel Mansell: "Terrible news flashed up on American TV.Justin dies from injuries sustained from Sunday's race.Deepest condolences to all the family R.I.P."
NASCAR star Dale Earnhardt JR: "Thoughts and prayers to his family, friends, and to the @IndyCar family.#RIPJustinWilson"
Motorsport icon Mario Andretti: "Devastated by the passing of Justin Wilson wonder why I had so many more blessings. God please now bless Julia, the kids @stef_wilson"
Andretti's son, Michael, was Wilson's team boss at Andretti Autosport at the time of his passing: "My heart goes out to the Wilson family of the loss of Justin. He was a great friend and even greater person. He will be sorely missed.#RIPJW"