Interviewers are Professor Karl-Gustaf Lofgren and Anne-Sophie Crepin, graduate student, Umea University.

Nobel Prize lecture.

I was born in Gary, Indiana, at the time, a major steel town on the southern shores of Lake Michigan, on February 9, 1943. Both of my parents were born within six miles of Gary, early in the century, and continued to live in the area until 1997. I sometimes thought that my perignations made up...