65060
A student of Alfonso Herrera at the UNAM in the 1920s , Beltrán was appointed by Herrera " to head two marine commissions ( in 1923 and 1926 ) , that were established to study and improve the use of Mexico 's coastal fisheries . "
 UNAM, Beltrán
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 UNAM, Beltrán