They also recruited help from engineers at two universities.
Heat treatments for cancer are making progress but greater effort is needed from engineers, one expert contends.
In the past, the state relied on reports from private engineers hired by the ride builder.
Mr. Colon said he now got more respect from engineers.
Scientists are also distinct from engineers, those who design, build and maintain devices for particular situations.
He did not seek help from either biologists or engineers and his efforts became the focus of strong criticism.
The study was produced in part by using information from 150 scientists, educators, engineers and public policy analysts.
The main opposition, though, came from engineers in his division.
The group included members in various fields of study from architects to union leaders, city officials to writers, and engineers to sociologists.
We suggested a seminar with demonstrations from key scientists and engineers at Sun.