W. Jason Morgan, a pivotal figure in the development of the theory of plate tectonics, has passed away at the age of 87. His contributions laid the foundation for modern geology, significantly enhancing the understanding of Earth's geological processes. Morgan's work revolutionized the field by providing insights into the movement of tectonic plates, which has been crucial for explaining various geological phenomena, including earthquakes and volcanic activity. The announcement of his death has prompted reflections on his lasting impact within the scientific community. A memorandum comment section is available for those wishing to share their tributes and memories.