Arokiaswamy Velumani

Success is Delta - https://www.youtube.com/shorts/wn_22F08uQA

1982 - did not know where Thyroid was
1992 - finished PhD in Thyroid Bio Chemistry
2002 - running world's largest Thyroid Testing Laboratory
if you do what you have studied, you will survive
if you do what you have NOT studied, you will be the Leader