CAPTION: Dr. John Alfred Brashear was known and honored for his precision instruments and lenses,w hich manyd possible many of the most important astronomical discoveries of this century. He was a moving spirit in the growth of the University of Pittsburgh's Allegheny Obsrvatory. His love of people--especially children--was so strong that he became known to Pittsburghers as "Uncle John." NOTES: His home at No. 19 Holt Street later became a community settlement house and his workshop there a small museum mainly as a result fo the efforts of his close friends, who often gathered at his home to look through his telescope. He died in 1920. PHOTOGRAPHER: DATE: c1914. HEADING: Pittsburgh. Portraits. Brashear, John. #: A183. From the Collections of the Pennsylvania Department, The Carnegie Library of Pittsburgh.