David Reading Krathwohl (May 14, 1921 – October 13, 2016) was an American educational psychologist. He was the director of the Bureau of Educational Research at Michigan State University and was also a past president of the American Educational Research Association, where he served in multiple capacities, as a member of the research advisory committee for the Bureau of Research of the USOE and as regional chairman of the board of trusties of the Eastern Regional Institute for Education. Biography He was born in Chicago on May 14, 1921. He was the son of William Charles and Marie Krathwohl. After graduating from undergrad at the University of Chicago, he served in the U.S. Army during World War II and later returned to the University of Chicago where he received both his M.S. and his Ph.D. While studying with Benjamin Bloom, he co-authored the Taxonomy of Educational Objectives, (also known as Bloom's Taxonomy) a critical publication on education and has also edited, authored and co-authored several books on education. He was the Hannah Hammond Professor of Education Emeritus at Syracuse University. Krathwohl independently developed the affective domain taxonomy, which was ordered according to the principle of internalization. Internalization is the “process whereby a person’s affect toward an object passes from a general awareness level to a point where the affect is internalized and consistently guides or controls the person’s behavior.” This taxonomy is presented in five different stages. These included: receiving, responding, valuing, organization, and characterization. Krathwohl died on October 13, 2016. Early life Krathwohl was also the Hannah Hammond Professor of Education Emeritus at Syracuse University. Krathwohl was a critical part of the Taxonomy because he gave many ideas and revisions to make Bloom's Taxonomy even better. An American Educational Psychologist, Krathwohl also served as the director of the Bureau of Educational Research as Michigan State University. He was a member of the research advisory committee for the Bureau of Research of the USOE, and served as a regional chairman of the board of trusties of the Eastern Regional Institute for Education, while being the president of the American Educational Research Association (AERA). In addition to being the AERA president, Krathwohl served as president of the Educational Psychology Division of the American Psychological Association. He was also an AERA Fellow and a fellow at the Center for Advanced Study in the Behavioral Sciences as Stanford University. While still being an