Gastón Guzmán

Gastón Guzmán (August 26, 1932 – January 12, 2016) was a Mexican mycologist and anthropologist. He was an authority on the genus "Psilocybe". He was born in Xalapa, Veracruz. 
Career.
Guzmán began his career in 1955. During his early field work, he found many species which was little known at the time. This inspired him to choose fungi as the topic of his professional thesis. He was the co-founder and former president of the Mexican Mycological Society (1965), he was also president of the Latin American Mycological Association (2000–2002). He retired in 2010.
Death.
Guzmán died of a heart attack in Guadalajara, Mexico on January 12, 2016 at the age of 83. He is survived by his daughter, Laura Guzmán Dávalos, is also a mycologist.