1. He was a leading light in the Cinematograph Exhibitors' Association and expanded his business by acquiring and developing a chain of cinemas, which he named Vogue, in places like Govan, Rutherglen and Shettleston. BNC
2. He had graduated through minor journalism to publishing, and was now (I learned by well-placed casual questions) a leading light in a go-ahead new publishing house specializing in novels by Angry Young Men. BNC
3. This can be seen, for example, by the fact that Graham Wallas, a prominent Fabian, and L. T. Hobhouse, a leading light in New Liberalism, occupied the first chairs of Political Science and Sociology respectively. BNC