Arthur J. O. Anderson (1907-1996) was an anthropologist specializing in Aztec culture and language. He received his MA from Claremont College and his PhD in anthropology from the University of Southern California. He was a curator of history and director of publications at the Museum of New Mexico in Santa Fe and taught at a number of institutions, including San Diego State University, from which he retired.

Charles E. Dibble (1909-2002) was an anthropologist, linguist, and scholar specializing in Mesoamerican cultures. He received his master's and doctorate degrees from the Universidad Nacional Autónomo de México and taught at the University of Utah from 1939-1978, where he became a Distinguished Professor of Anthropology.

For their work on the Florentine Codex, both Dibble and Anderson received the Mexican Order of the Aztec Eagle, the highest honor of the Mexican government; from the King of Spain the received the Order of Isabella the Catholic (Orden de Isabel la Católica) and the title of Commander (Comendador).