How Did Aldo Leopold Die?

How Did Aldo Leopold Die? Unfortunately, just one week after receiving word that his manuscript would be published, Leopold died of a heart attack on April 21, 1948. How long did Aldo Leopold live? Aldo Leopold Leopold in 1946 Born January 11, 1887 Burlington, Iowa, US DiedApril 21, 1948 (aged 61) Baraboo, Wisconsin, US Occupation