John S. McLean

John S. McLean was a prominent American geologist and educator who contributed significantly to the study of Earth's crust and mineral resources. Known for his research on geological formations and processes, he helped improve understanding of how the Earth's layers develop over time. As a professor and author, he influenced many students and colleagues in the field of geology. His work advanced scientific knowledge about the Earth's structure, aiding in natural resource exploration and understanding geological hazards. Overall, McLean played a key role in expanding our comprehension of geological phenomena and their practical applications.