Dr. Hal Yingling was born on September 20, 1890, in the state of Ohio to Louis W. and Ella Brennaman Yingling. He received his B.S. degree in 1910 at Heidelberg University in Tiffin, Ohio, and his M.A. in 1916 at Ohio State University. On September 12, 1917, Yingling married Delia L. Hoppes.
Yingling spent his professional life teaching biology, entomology, and botany at numerous academic institutions. His career began in 1910 at Old Fort High School in Tiffin, Ohio. From 1912 to 1914, Yingling taught at Massillon, Ohio, coaching basketball as well, and in 1916 transferred to the Agricultural and Mechanical College of Texas. Yingling became a professor at Augustana College in 1919, and remained so until 1960, during which time he received his doctorate from Ohio State University.
Aside from his work as a professor, Yingling belonged to several organizations including the American Glad Society; Sigma Xi, an international honor society of science and engineering; the American Association for the Advancement of Science; the American Association of University Professors; and the Genetics Society of America. He was listed in Who's Who in the Midwest as well as American Men of Science.
Dr. Yingling died on Monday, June 28, 1971, at the age of 80, at Moline Lutheran Hospital in Moline, Illinois.
The Hal C. Yingling Collection dates from 1887 through 1926, including undated items. The collection has been organized into seven series: Vital Records, Correspondence, Financial Records, Essays, Newsclippings, Miscellaneous, and Photographs.
Vital Records (1912-1922) includes marriage and baptism certificates, grade reports and degrees, registration records, birth announcements, and graduation announcements.
Correspondence (1915-1923) consists of letters and telegraphs to and from Dr. Yingling, regarding his career as a professor at various universities.
Financial Records (1887-1926) includes documents of monetary transactions from Dr. Yingling's personal and professional life. Included are receipts, checks, paychecks,
freight bills, hospital bills, certificates of agreement, and IOU's.
Essays (undated) consists of Dr. Yingling's compositions including his homage to the work of Dr. Mark Francis of the A & M College of Texas, an exploration of aphid eggs, and an account of Mr. and Mrs. Yingling's honeymoon, which included a scenic journey to Hal's new employment in Texas. The folder also contains a poem about the irresistible evils of tobacco, and the lyrics to a song entitled It's Nice to Get up in the Morning, by Harry Lauder.
News Clippings (undated) consists of newspaper articles and sports boxscores. Aside from baseball scores, the clippings include a cartoon of President Teddy Roosevelt's funeral procession, a copy of the Illinois state song by William A. Meese, articles from "Popular Mechanics," and a printed hierarchy of coal products. Newspaper articles touch topics from evolution to religious debate to world war, and additionally includes articles on people such as Dr. William Oxley Thompson and Pete Stinchcomb. The final item in this series is an issue of "The Reveille," the daily newspaper at A & M College of Texas, regarding Dr. Yingling's resignation of his position there.
Miscellaneous (undated) consists of a collection of pamphlets, the majority of which are railroad timetables. Also included is a a gestation chart for farm animals, a pamphlet of Jap-A-Lac varnish samples, and a similar pamphlet of "Water Color for Walls" by Alabastine. There are also road maps of Ohio and Pennsylvania, a newspaper article about a restaurant named Antoine's, sketches of furniture, a book catalog supplement, advertisements, a grocery list, and other jottings.
Photographs (1910 and undated) includes two photos: one is an unidentified infant, the other a 1910 class photo at Heidelberg University.
Vital Records, 1912-1922
Vital Records, 1914-1918, undated
Correspondence, 1919-1923, undated
Financial Records, 1887-1926, undated