11.   He sought a merger to use the combined research and development budget to release new products faster, say industry colleagues who knew him.

12.   He was not, say colleagues, particularly phased by the fuss.

13.   Hyde and Sandelman had clashed over the management of the equity derivatives department, said a colleague at the firm who spoke on the condition of anonymity.

14.   In one message Lessig compares using a Microsoft product to selling his soul, and in another Lessig says a colleague suggested Lessig sue Microsoft.

15.   Iran has succeeded in attracting several Russian biologists to Tehran, said colleagues who, in recent interviews, named them.

16.   It was an experience that profoundly shaped his views on foreign policy, a colleague said, without making him implacably opposed to using force.

17.   Often, especially on international stories, Hunter-Gault was the person fighting for coverage, colleagues said.

18.   Smith was on vacation this week, his colleagues said, but many at the magazine had expected that his term as editor was limited.

19.   The cause was complications of hip surgery, said a colleague, Justin Frank.

20.   The cause of death was heart failure, said a colleague, Dr. Grigory Isaakovich Barenblatt, professor of mathematics at the University of California in Berkeley.