Charles KerrCharles Kerr one of the contributors, was a civil engineer and a specialist in water supply. Since retiring from full-time consultancy work he became well-known as an expert in low-cost water supply. For the last 15 years of his life he was the techncal editor of Waterlines, the journal for low-cost water supply and sanitation. Charles Kerr died in 2001 while this dictionary was in the final stages of preparation. Read More Read Less