Frederick Kelker Hilton (1926-2026)
“My life brims with science and art”

Frederick Kelker (Fritz) Hilton died peacefully at 5:20pm this Wednesday 24 June, at Baptist Health in Louisville Kentucky, from complications of colon cancer. He was 100 years old.

Fritz was born on February 8 1926 to Catherine Kelker Hilton (1896-1983) and William Gastrock Hilton (1896-1981), in a Kelker family home on Front Street in Harrisburg Pennsylvania. Fritz had two brothers: William (Bill) Jr. (1923-1996), and Thomas Edward (1935-1943). The Kelker-Hilton family divided their time between the town house on Front Street and Glenwood Manor Farm. This historic home and its surrounding acres of fields and forest sparked Fritz’s keen, lifelong interests in nature, ecology, and wildlife, which were nurtured by his parents and a series of exceptional mentors. Fritz’s parents and his uncle Thomas Mahon Kelker (Harrisburg architect, 1886-1983) were all talented artists who included Fritz in their art projects. After finding a semi-dissected owl which Fritz (age 10) had stored in the icebox, his parents took him on regular visits to Richard Harvie (Dick) Rauch, ornithologist at the Hershey Zoo (and former head coach of the legendary Pottsville Maroons football team). Rauch introduced Fritz to other Harrisburg ornithologists, William L. (Bill) Rhein, Edward Fry, Walter Kohler and Leo Luttringer, who provided Fritz with serious hands-on training in ornithology, fieldwork, climbing and photography throughout his teenage years. Rauch, Rhein, and uncle Tom Kelker also encouraged Fritz’s athletic pursuits, for he became a lifelong (and gifted) athlete, lettering in track and field at Susquehanna Township High School, and later at Cornell, where he also boxed and played tennis. (Ed Fry, Leo Luttringer & Fritz; photo by Bill Rhein c.1940)

Fritz enrolled at Cornell University (Ithaca NY) in the Fall of 1943. Drafted in February of 1944, he served during World War II as a second-class petty officer Specialist X (illustrator) at Camp Peary (VA) – producing posters, aircraft recognition slides, instruction manuals and paintings (battle scenes and portraits). Fritz returned to Cornell in 1946 to complete a Bachelor of Science in Zoology and Ornithology (December 1949). In spring of 1947 he met Mary Eldrid Anderson (1926-2013), from State College PA – a doctoral student in Biochemistry who was teaching the undergraduates. For Fritz, it was love at first sight, and she remained the love of his life. They married in State College in December 1950, and moved to Baltimore, where Fritz enrolled in a combined Masters-DSc program in Pathobiology and Ecology at the Johns Hopkins School of Hygiene and Public Health, and Mary taught biochemistry at the Johns Hopkins Nursing School. Fritz’s dissertation (Behavioral and Biochemical Aspects of the Yearly Gonadal Cycle in Male Starlings) was directed by Richard (Dick) Davies, and Fritz moonlighted as a technician in the Climatology research lab run by Douglas H.K. Lee. Daughters Victoria Katherine (1954) and Heather Elizabeth (1956) were born in Baltimore during these Hopkins years. Fritz obtained his doctorate in 1958, a few months before the birth of a third daughter, Wendy Barbara (in Harrisburg, 1958).

After graduating, Fritz learned that Dr. Sidney Kornhauser, Chairman of the Department of Anatomy at the University of Louisville (KY) Medical School, was building up a research team in histology. He applied to join this group of dynamic young researchers (Richard Swigart, Frank Schwartz, Charles Wagner), and the Hiltons moved to Louisville in the Fall of 1958. Fritz joined the Anatomy Department (located in the historic Medical School building on First Street), while Mary became Assistant Professor of Biochemistry with offices in the Reynolds building. Their fourth child, Frederick Kelker (Fred) Jr. was born in Louisville (1961). In 1970 Fritz and Mary moved to the new Health Sciences campus, where they remained until their retirement in 1995. They co-published seven articles, and Fritz and collaborators’ work on the effects of hormones on animal behavior is still cited. Fritz mentored a tightly-knit group of graduate students who shared his scientific and athletic interests.

Fritz’s passion for wildlife, art and knowledge took him and his family far and wide. From counting red-tailed hawks during migration season in the Pennsylvania mountains with Ed Fry as a teenager, he moved on to field work in Florida and the Black Hills during his Cornell years, and completed two missions in Mexico, painting hummingbirds (1953), and attempting to photograph (and record) the last of the ivory-billed woodpeckers in the state of Durango with Bill Rhein (1954). Fritz and Mary spent several summers (1962-1968) working with students enrolled in the Summer Student Program at the Jackson Laboratory research facilities in Bar Harbor Maine, where Fritz organized a yearly trek to the top of Mount Katahdin. In 1967 and 1968, Fritz was a guest lecturer at the University of Saigon Faculty of Medicine (in the context of a USAid-AMA project), excited to observe a new culture and ecosystem (in dangerous times). Fritz and Mary took a sabbatical year in Aberdeen Scotland in 1970-1971, so Fritz could work with the ornithologists at the Culterty Field Station on the cliffs at Newburgh. The summers of the mid-1970s were spent high in the Rocky Mountains at Crooked Creek Ranch near Eagle Colorado, where Fritz was finally able to paint full-time. In 1978, the Hiltons purchased a condominium on Sanibel Island Florida, opposite the Ding Darling Wildlife Refuge at Blind Pass. Here, Fritz began painting more intensively, situating his wildlife subjects in more complex Florida settings. In the 1990s, Fritz joined African art safaris organized by wildlife artist John Banovich, visiting South Africa, Zimbabwe, Botswana, Namibia, and Kenya. These safaris marked a move to digital photography, and a new range of larger, carefully-landscaped (and cleverly-titled) studies. Fritz and Mary also traveled extensively in Europe, from the Camargue in southern France in 1971 to Nordkapp (Norway) in the Arctic circle, with frequent stays in France and Italy.

Back in Louisville, Fritz and Mary moved into a condominium at 1400 Willow Avenue 1984, which remained Fritz’s home after Mary’s death. Upon retirement, his scientific career gave way to full-time wildlife and portrait painting, in a wide variety of media (watercolor, oil, egg tempera, acrylic, scratchboard, silverpoint). Fritz was regularly juried into and awarded prizes in regional wildlife art shows. His final gallery show took place when Fritz was 96 years old (April 2022) at Louisville’s Kore Gallery.

Fritz is survived by all four of his children, as well as eight nieces and nephews, six grandchildren (Emily Vianna Strange Ionescu of Forest Hills NY, Karina Elizabeth Strange-Zubeva of Dragor Bulgaria, Nicolas Hilton Osborne of Grenoble France, Madeleine Claire Osborne of Thoiry France, Elisabeth Adèle Osborne of Aberdeen Scotland, Humberto Hilton Fossi of Charlottesville VA), seven grand nieces and nephews, three great-grandchildren (Henry Daniel, Viviane Mary and George Frederick Ionescu) and five great grand-nieces and nephews. Over seventy family members and friends were present to celebrate Fritz’s 100th birthday this past February at the Seelbach Hotel in Louisville. Fritz’s passion for art and wildlife, his intellectual curiosity, remarkable memory and wit have dazzled his friends and family across the generations. He will be deeply missed – though his unique, insatiable energy will remain forever with us.