 Premadasa then brought the Ceylon conflict closer to a democratic solution than any other Sri Lankan president had.However, the Liberation Tigers of Tamil Eelam hierarchy had split and in 1993 a faction assassinated Premadasa in a suicide bombing that killed 23 people.Hills and Nakamura had a vision of feeding the world from lakes, seas and backyard aquaculture and in 1975 they authored a book, "Food from Sunlight" which published all their proprietary research as open source for the world to use in the cause against global famine and malnutrition.