The driver "yelled out some profanity and 'Ride single file,' " said Peterson, who works as a cycling coach. Peterson, riding a $5,500 Specialized racing bike, screamed an expletive at the driver. At that point, the driver veered directly in front of the riders and "slammed on his brakes as hard as he could," Peterson said.
Peterson's head slammed through the window. Stoehr, meanwhile, said he tried to steer around the car but clipped it with his bag or a foot. "I ended up being catapulted over my own bike and landed in front of the car," he said.
According to Peterson, the driver emerged from the car and said he was a doctor. But "from that point on, he never offered any help," Peterson said.
Thompson's biography on the website of his company, Touch Medix, says he spent 29 years as an emergency department doctor.
Wendy-Sue Rosen, president of the Upper Mandeville Canyon Assn., described Thompson as "a great guy who has been active in the community." His wife, Lynne, is on the association's board.
"People here are very, very angry at bicyclists and their disregard for the laws of the road," Rosen said, adding that residents had reported being spat upon by cyclists.
Charles Mostov, a lawyer who lives on Mandeville Canyon Road and is an avid cyclist, said the incident had prompted some much-needed conversation.
Los Angeles City Councilman Bill Rosendahl, who represents the area, said he had called for a meeting within the next two weeks of residents, cyclists, traffic engineers and police to discuss the issues and to reinforce the fact that "cyclists have the right to travel safely and free of fear."
Cyclists urged members of their community not to use the incident as an excuse to act aggressively toward motorists.
"As more people take to the road because of gas prices and the economy," Mostov said, "maybe this is an opportunity for some outreach and for dialogue so that we can get along."
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martha.groves@latimes.com
richard.winton@latimes.com