Carl A. Hanson earned a BA (1968) and an MA (1969) in Economics at the University of Denver. He went on to complete a PhD in History at the University of New Mexico in 1978. His dissertation, Economy and Society in Baroque Portugal, 1668-1703, was published by the University of Minnesota Press in 1981. After receiving a Master of Library Science degree from Indiana University, Bloomington, in 1988, he joined the library faculty at Trinity University in San Antonio, Texas in 1989. He retired as an Associate Professor, returning to New Mexico in 1996 to pursue a longstanding interest in local art and artists, building a collection of paintings by Albuquerque area artists.