dr. kirkland was my mentor, it was a brutal six weeks, very little sleep and hard work. but when you finished it, you felt like you had been through marine boot camp. and i remember that dr. kirkland had put his arm around my shoulder, and said, you should consider doing this. and from that moment on, and even though my stepfather was a foot surgeon, after that i was cardiac all the way. >> when was the first time that you opened the chest, and where was it? when was it? you are on your own, you are your boss. >> it takes a long time to be a surgeon, and orit takes longer be a heart surgeon. i don't wake up one day and do it, you do parts it of. and from the time in alabama as an intern, i did parts of heart operations. there is thousands of different steps in any operation. and in cardiac surgery you would do one part. and then over time you would have done a whole operation, but never the whole operation yourself. and so it was only when i went to houston, texas, to train in cardiac surgery with another notable famous man named denton coolie, it was there after half o