It is difficult to overstate the achievements of Richard Clarke Cabot (1868-1939) a relatively little-known, old-moneyed physician of the early 20th century who was far ahead of his time in how much he contributed, and how willing he was to question his own limitations.

Cabot's achievements include: creation and self-funding of the first medical social work service and establishment of the fields of clinical pastoral care and medical ethics. His work offered seminal contributions to the fields of hematology, cardiology, infectious disease, and medical education – including the clinical pathologic conference, case-based learning and the differential diagnosis; the first large-scale randomized experiment in the history of criminology; the science of medical error; and introducing the concept of a group insurance plan. He authored countless books, articles and textbooks. 

Most remarkable, considering Cabot's extraordinary intellect, was his openness to reflecting on his own deficits as a physician, including getting diagnoses wrong, and describing his own failures in seeing the humanity of his patients. 

Joy, curiosity, and generosity were among his distinctive personal characteristics. 

So, why is he not more widely remembered? Perhaps because of one of his greatest attributes: he pointed out things about his profession that the medical establishment didn’t want to hear.