found: Daily Camera e-print, 17 May 2015obituaries (Mark W. Steele, 1932-2015; Mark W. Steele, of Boulder, Colorado and formally of Pittsburgh, Pennsylvania passed away on May 13, 2015. Mark was born on March 5, 1932 at the Knickerbocker Hospital in New York City. As a child he studied at the Columbia Grammar School in New York City where he excelled in math, science, pranks, and practical jokes. He studied pre-med at Kenyon College in Ohio and went to SUNY Medical School. He went on to complete his education at Yale University where he specialized in pediatrics; he became a pioneer in the field of prenatal genetic research and was credited for his groundbreaking contributions in the development of amniocentesis for prenatal diagnosis. He then went onto Johns Hopkins University for a fellowship in cytogenetics, which led to further advancements in the field of modern prenatal screening and diagnosis; he was instrumental in the development of the Department of Genetics for Research and Counseling at the University of Pittsburgh Children's Hospital. In addition to his research he also worked closely with the Medical Ethics Committee and wrote extensively on ethics, medicine, and research. He retired to Boulder, CO in 1993.)