Dale Zimmerman (1928-2021) was a long-time faculty member in the Department of Natural Sciences at Western New Mexico University. From the 1950s to the 2010s, Zimmerman travelled the globe, studying flora and avifauna on all seven continents. He received the Ludlow Griscom Award from the American Birding Association in 2015 for his contributions to ornithology. Zimmerman was also an Elective Member (1958) and Fellow (1999) of the American Ornithological Society. David Pearson (1941-2017) was a giant of East African ornithology. He held academic posts at Makere University College in Kampala and Nairobi University, and pioneered ringing and migration studies of waders and passerines in the region, chairing the East African Records Committee for 14 years. He published many papers and articles, and co-authored Birds of Kenya and Northern Tanzania with Dale Zimmerman and Don Turner, and later Reed and Bush Warblers (2010) with Peter Kennerley. Donald A.
Turner is a tour leader and birder based in Kenya. He was the founder of East African Ornithological Safaris, and co-wrote Birds of Kenya and Northern Tanzania.