Who was the father of the man who founded the Ph.D. work of Paul Austin Johnsgard?
Paul Johnsgard Paul Austin Johnsgard (born 28 June 1931) is an ornithologist, artist and emeritus professor at the University of Nebraska. His works include nearly fifty books including several monographs, principally about the waterfowl and cranes. Born in Fargo, North Dakota, he was introduced to the study of birds by a distant cousin who was a game warden. He spent these early years taking part in duck counts. After high school and junior college at Wahpeton, he enrolled at North Dakota State University to major in zoology. He then moved to Washington State University for his master's degree, encouraged by a professor who suggested that he could have a career in ornithology. His master's study was on the impact of the construction of O'Sullivan Dam to wetland habitats. Apart from the data collected and his interpretation, it included his pen sketches. This was published in "The Condor" and the article attracted the attention of Charles Sibley who invited him to consider a Ph.D. at Cornell University with him. His Ph.D. work was on the phylogeny of six ducks, after which he moved to England at the Wildfowl Trust at Gloucestershire founded by Sir Peter Scott. After the course of two years, he produced his first book, the "Handbook of Waterfowl Behaviour" published by Cornell University in 1965. He is considered one of the most prolific authors of ornithology books.
Walter Dandy Walter Edward Dandy (April 6, 1886 – April 19, 1946) was an American neurosurgeon and scientist. He is considered one of the founding fathers of neurosurgery, along with Victor Horsley (1857–1916) and Harvey Cushing (1869–1939). Dandy is credited with numerous neurosurgical discoveries and innovations, including the description of the circulation of cerebrospinal fluid in the brain, surgical treatment of hydrocephalus, the invention of air ventriculography and pneumoencephalography, the description of brain endoscopy, the establishment of the first intensive care unit (Fox 1984, p. 82), and the first clipping of an intracranial aneurysm, which marked the birth of cerebrovascular neurosurgery. During his 40-year medical career, Dandy published five books and more than 160 peer-reviewed articles while conducting a full-time, ground-breaking neurosurgical practice in which he performed during his peak years about 1000 operations per year (Sherman et al. 2006). He was recognized at the time as a remarkably fast and particularly dextrous surgeon. Dandy was associated with the Johns Hopkins University School of Medicine and the Johns Hopkins Hospital his entire medical career. The importance of his numerous contributions to neurosurgery in particular and to medicine in general has increased as the field of neurosurgery has evolved.