Yuji Ijiri

Yuji Ijiri () (24 February 1935 – 18 January 2017) was a Japanese economist, accounting researcher and educator. He was the Robert M. Trueblood University Professor of Accounting and Economics at Carnegie Mellon University until his retirement on June 30, 2011. He is noted in economics and finance for his contributions to research on firm growth and the general field of mathematical economics, and in particular power laws in economics. In accounting, he is known for his proposal of triple-entry accounting.

At the age of 21 he became a Certified Public Accountant in Japan, and remains the youngest person to do so.

He died of natural causes on 18 January 2017. Provided by Wikipedia