At 13, I realized that I could fix anything electronic. It was amazing, I could just do it. I started a business repairing radios. It grew to be one of the largest in Philadelphia.

The excitement level for me working on projects is really not a bit different from when I was 26.

At 13, I realized that I could fix anything electronic. It was amazing, I could just do it. I started a business repairing radios. It grew to be one of the largest in Philadelphia.

We learned the value of research in World War II.

There was a time when I was wondering about this business of going public, so I visited about a half-dozen companies in the Boston area, all of them formed by MIT faculty and all had gone public.

I would have been fired a hundred times at a company run by M.B.A.’s. But I never went into business to make money. I went into business so that I could do interesting things that hadn’t been done before.

I never went into business to make money.