31.   His work there helped to improve methods for estimating the size of undercounted communities, particularly blacks.

32.   His work helped chemical engineers to speak with more precision about the results of their experiments and duplicate them more exactly.

33.   His work helped give form to entire new scholarly areas, like postcolonial theory.

34.   His work there helped put his sons through college.

35.   His eloquent and fine work helps us to understand why.

36.   His work helped call attention to the need for health safeguards in coal and asbestos mines and in other industrial settings.

37.   His work with Ford helped pioneer the process of shell molding to make intricate automobile parts.

38.   I hope he felt that his work helped make this building possible.

39.   In addition, the work may help explain how some people infected with the AIDS virus for years remain healthy and disease resistant, experts said.

40.   Jon Corzine, the former co-chairman of Goldman Sachs, has said that his work on Wall Street helped New Jersey companies create hundreds of thousands of jobs.