"Each of us has the opportunity every day to strengthen society's ability to do the right thing," Dr. Cook said.

Dr. Cook said that after a week, one of them came down with symptoms "identical to the ones we saw in the field."

Dr. Cook died in prison while serving a sentence for mail fraud.

"I tried to look at things through his eyes," Dr. Cook said.

Dr. Cook, for example, citing what he calls more reliable data, says the number of defensive uses is far lower.

Dr. Cook is at work on her third book about the former first lady.

When the college opened in 1968, Dr. Cook held the title of administrative director.

Dr. Cook immersed himself in the study of explosives, and a life's work was set.

It has 1,625 students, about 600 more than when Dr. Cook became president 16 years ago.

Dr. Cook died of heart disease, according to his wife, Margaret.