Early scholar of Louis Comfort Tiffany and Southern Connecticut State College professor. Koch was born to Millard and Ella Heidelberg (Koch). He gained his bachelor's degree from Harvard in 1939 and a master's degree from New York University. He married Gladys L. Rooff in 1942. During World War II, he served in the United States Army from 1942 to 1945. He was appointed assistant instructor at Queen's College from 1951 to 1953, returning to graduate school at Yale University, working as an assistant. He joined Southern Connecticut State College, New Haven, as an assistant professor in 1956.

Medievalist, director of the Cleveland Museum of Art, 1930-1958. Milliken was the son of Thomas Kennedy Milliken and Mary Spedding Mathewson (Milliken) (1858-1932). His father was a New York linen importer and manufacturer. The younger Milliken entered Princeton in 1907 as part of the class of 1911, but illness delayed his graduation. Summers were spent traveling in Europe where he became familiar with the Gothic churches and art museums. After graduation, Milliken was offered but declined an offer to work at the Metropolitan Museum of Art, NY, cataloging objects.

Harvard medievalist architectural historian; first American scholar of the Romaneque to achieve international recognition. Porter was the third son of banker Timothy Hopkins Porter and mother Maria Louisa Hoyt, herself from a patrician Connecticut family. His mother died when he was eight. Porter attended the Browning School in New York and then entered Yale University. His father died during his freshman year. The following year, 1902, Porter's remaining brother (the middle brother had died during college) underwent a serious operation and long recovery.