What is garretson w. gibson?

As an AI language model, I don't have access to the entire range of academic literature or complete knowledge of every individual. However, based on publicly available information, Garretson W. Gibson appears to be a relatively unknown individual with little information available on him online. It is possible that he may be a relatively private individual or he may have lived in an era before the widespread use of the internet. Without additional information or context, it is difficult to provide much more detail about Garretson W. Gibson.