Milton Thiago de Mello - veterinarian and foundational figure in Brazilian primatology - turns 108 today. He is also in the top 25 oldest living verified men in Latin America.

From Wikipedia:

"As a professional veterinarian and zoological researcher, de Mello has received awards and distinctions from many governments and organizations, such as from the Comité Français de l’Association Mondiale Vétérinaire, the World Veterinary Epidemiology Society, the Sociedad Colombiana de Primatologia and the John Guggenhiem Memorial. He is an honorary member of the Royal Academy of Veterinary Sciences of London, the American Academy of Microbiology, and the New York Academy of Sciences. He was awarded the Medal of Merit in Veterinary Medicine, at the highest level (Grã-Cruz). He is a consultant with the Pan-American Health Organization and the Food and Agriculture Agency of the United Nations. He belongs to more than 30 Brazilian and international scientific societies, of which he has helped found 14 and served as an official of at least 12. He is the author of numerous books and over 150 scientific papers on primates, brucellosis, bubonic plague, medical mycology, the teaching of veterinary medicine, and the environmental crisis in Brazil and other countries.

The recently founded Milton Thiago de Mello Environmental Institute, in Sobradinho, Distrito Federal, Brazil, is named after him.

Almost all Brazilian primatologists have, at one time or another, studied under de Mello."

Additionally, a species of New World monkey in the Amazon rainforest, is named after him: Milton's titi monkey

108th birthday confirmation:

Video from December 2023:

Happy birthday!