Carlos Eugenio Chardón Palacios, D.Sc., D.Litt, (28 September 1897 – 7 March 1965) was the first Puerto Rican mycologist, a high-ranking official in government on agriculture during the 1920s, the first Puerto Rican appointed as Chancellor of the University of Puerto Rico (1931–1935), and the head of the Puerto Rico Reconstruction Administration in the mid-to late 1930s during the Great Depression. He was also known as "the Father of Mycology in Puerto Rico". He discovered that the aphid "Aphis maidis" was the vector of the sugar cane Mosaic virus. Mosaic viruses are plant viruses.