Fred Singer

Siegfried Fred Singer (September 27, 1924 – April 6, 2020) was an Austrian-born American physicist and climate change denier. He was an emeritus professor of environmental science at the University of Virginia. 
Singer trained as an atmospheric physicist and was known for his criticism of scientific evidence between UV-B and melanoma rates the health risks of smoking, and for supporting climate change denial. 
He was the author or editor of many books including "Global Effects of Environmental Pollution" (1970), "The Ocean in Human Affairs" (1989), "Global Climate Change" (1989), "The Greenhouse Debate Continued" (1992), and "Hot Talk, Cold Science" (1997). 
He also co-authored "" (2007) with Dennis Avery, and "Climate Change Reconsidered" (2009) with Craig Idso.
Singer died on April 6, 2020 at a nursing home in Rockville, Maryland at the age of 95.