About 1900 my parents came to the United States as children from what was then the Polish area of Russia.

There were two free public libraries within walking distance of my home; I remember taking six books home from every visit, the limit set by the library.

Experimental science is a craft and an art, and part of the art is knowing when to end a fruitless experiment. There is a danger of becoming obsessed with a fruitless experiment even if it goes nowhere.

I read everything: fiction, history, science, mathematics, biography, travel.

About 1900 my parents came to the United States as children from what was then the Polish area of Russia.

The experimenter dealing with nature faces an outside and often hard world. Natures' curriculum cannot be changed.

They wanted me to play more sports because they were acutely sensitive to their children being one hundred percent American, and they believed that all Americans played sports and loved sports.