A.D. Roy
... that Nobel Prize winner Harry Markowitz, who has been called the father of the modern portfolio theory, wrote that A.D. Roy could equally claim to be the father of the theory?
... that Nobel Prize winner <a href="./Harry_Markowitz" id="mwAT8" rel="mw:WikiLink" title="Harry Markowitz">Harry Markowitz</a>, who has been called the father of the <a href="./Modern_portfolio_theory" id="mwAUA" rel="mw:WikiLink" title="Modern portfolio theory">modern portfolio theory</a>, wrote that <b id="mwAUE"><a class="mw-redirect" href="./A.D._Roy" id="mwAUI" rel="mw:WikiLink" title="A.D. Roy">A.D. Roy</a></b> could equally claim to be the father of the theory?