Shonka was known for his pioneering work with ionizing radiation measurement devices and equipment.
He was offered and accepted the position of professor of physics at St. Procopius College and taught there for two years.
After China, Shonka returned to St. Procopius College to again teach physics for an additional 2 years.
[1] Shonka went to the Metallurgical Laboratory at the University of Chicago and was promoted to director, instrument research and development division.
In 1954, Shonka advance to become director of research, physical science laboratory at St. Procopius College, and remained in this position until he died in 1970.