Nanayakkarapathirage Martin Perera, commonly known as Dr. N. M. Perera, was one of the leaders of the Sri Lankan Trotskyist Lanka Sama Samaja Party. He was the first Trotskyist to become a cabinet min

Leslie Simon Goonewardene was a prominent Sri Lankan statesman. He founded Sri Lanka's first political party, the Lanka Sama Samaja Party, in 1935, and served as its General-Secretary from 1935 to 197