41. Corporations acted less and less like society's leading lights . 42. The librarian, Kenneth E . Dowlin, is still considered a leading light in his profession. 43. He was a leading light in the Music Association of Ireland during its early years. 44. But the digital world's leading lights are competitors first and partners second, if at all. 45. If he was a leading light there should be significant coverage in reliable secondary sources. 46. He was the consummate courtier and friends with many of the leading lights at court. 47. These huge sums will be money well spent, say the leading lights of British medical research. 48. Maurice is one of our leading lights ." 49. She became a leading light of the early Summer School Movement at which Fabian intellectuals foregathered. 50. The union is guaranteed to be high-profile because of the headlines attracted by its leading lights .