My choice is Newt Rothenberg. Went to Mayo in the early 50s to be a cardiologist. He was still impressed with Dr Hench he became a rheumatologist. He practiced as a solo doc decades and later in his practice he took an associate. He was very supportive of the AF, ACF, Lupus and Scleroderma foundations, volunteered at an indigent rheum clinic at the Detroit medical center, attended virtually every ACR and many international meetings and essentially died in his office. At 78 years old suffered an MI in the office, took aspirin and nitro, saw one more patient and then went to the hospital and never left. He cared for thousands of patients and remained under the radar for decades and known by many of you. And he was my uncle and I miss him. And he deserved to be a master