James H. McDonald

James H. McDonald was an influential American atmospheric scientist and physicist known for his work in meteorology and atmospheric chemistry. He contributed to understanding cloud formation, atmospheric radiation, and environmental issues, particularly in relation to nuclear testing and environmental safety during the mid-20th century. McDonald emphasized the importance of scientific research in assessing environmental risks and was a prominent advocate for the responsible study of atmospheric effects related to atomic energy. His work helped shape policies on atmospheric testing and the environmental impacts of nuclear technology, making him a notable figure in environmental and atmospheric sciences.