<p>Prominent Houston attorney John O'Quinn was one of two men who died this morning when their SUV slammed into a large tree on Allen Parkway after the driver apparently lost control, police said.</p>
<p>"I'm stunned. The community lost one of its biggest assets," said Rick Laminack, who worked with O'Quinn from 1987 until 2006. "He was a great lawyer who shared a lot of his wealth with people who needed help."</p>