Dr. Krongrad joined his first house call when he was six years old. That adventure, in a time before deductibles, was animated by a sense of urgency, It imparted a lesson: to be useful, you have to do something for someone.

In his nearly 60 years with patients, Dr. Krongrad has delivered babies in a remote part of Kenya and to the light of a kerosene lantern; attended a nutrition clinic in Kenya, a diabetic wound clinic in Honolulu, and an immingrant hypertension clinic in Jerusalem; treated gun shots in the inner city; co-authored the first trial ever to show cancer prevention with a dietary supplement; and introduced laparoscopic prostate surgery to the United States. Dr. Krongrad cloned the rabbit androgen receptor.

Dr. Krongrad's grandmother farmed chickens and his parents farmed dairy cows. Dr. Krongrad grew radishes in Brooklyn. He has stories about tractors and barns.

Dr. Krongrad has been a competitive swimmer. He exercises daily, with an emphasis on resistance training, running, ju jitsu, swimming, and some crazy stair hopping. He's grappled in the Amazon, which scared his teachers, and swum Tampa Bay in winter to raise money for military orphans. Once, because he made a promise to a friend, Dr. Krongrad ran the Boston marathon with a broken foot and finished.

Catch Dr. Krongrad at the office and he'll give you an earful on how the blind Somalian cavefish entrain their circadian rhythms without light and and wonder our loud why the tribesmen of Baluchistan, who don't eat vegetables, don't have scurvy. Dr. Krongrad is a cook and maybe he'll share his secrets for eggs and which kind of butter he favors.

Dr. Krongrad is the man who killed disco.

Dr. Krongrad is not a nutritionist or strength coach. He doesn't run a sleep lab. He's a man who, like you, wants to hike the Otter Trail when he's 115. Ezz represents Dr. Krongrad's personal effort to navigate the icebergs, build himself a lifeboat, and bring along his friends. Ultimately, Ezz is Dr. Krongrad's vehicle for pursuing knowledge, friendship, and freedom.