Brock geologist made science world rethink glaciers, geologic ages

John Boellstorff who lives near Brock was 12 years old when he discovered his brother’s rock collection. He’s been traversing creek beds ever since as his life evolved into being a geologist.

He got his Ph.D. from Louisiana State University in 1971 and developed into one of the most noted geologists in the world. He was a researcher at UNL for a long time. A paper he wrote in 1978 documented at lea…