Question: Which founder and retired chief executive of The Vanguard Group was hired by Walter L. Morgan in 1951 and became his heir at his company?

Context articles: B. Wayne Hughes
Bobby Mehta
James L. Ziemer
Ron Terwilliger
Mortimer J. Buckley
Susan E. Engel
Wellington Fund
Walter L. Morgan
John C. Bogle
Robert B. &quot;Yank&quot; Heisler

Bradley Wayne Hughes (born September 28, 1933) is the founder and chairman of Public Storage, the largest self-storage company in America doing business as a REIT or real estate investment trust.
 As of 2014, Hughes is worth $2.2 billion.
 Known all his life by his middle name, B. Wayne Hughes was the company's President and Co-Chief Executive Officer from 1980 until November 1991 when he became Chairman of the Board and sole Chief Executive Officer.
 He retired as Chief Executive Officer in November 2002 and remains Chairman of the Board.
 He was Chairman of the Board and Chief Executive Officer from 1990 until March 1998 of Public Storage Properties XI, Inc., which was renamed PS Business Parks, Inc. ("PSB"), an affiliated REIT.
 From 1989-90 until the respective dates of merger, he was Chairman of the Board and Chief Executive Officer of 18 affiliated REITs that were merged into the Company between September 1994 and May 1998 (collectively, the "Merged Public Storage REITs").
 has been active in the real estate investment field for over 30 years.
Siddharth N. "Bobby" Mehta was former CEO and vice chairman of HSBC North America.
 Mehta served as an Advisor of TransUnion since December 31, 2012.
 Mehta serves as consultant of TransUnion.
 He served the chief executive officer and president of TransUnion from August 2007 to December 31, 2012, and Transunion Financing Corp. until December 31, 2012.
 From May 2007 to July 2007, he served as a consultant to the board of directors at TransUnion.
 He served as the chief executive officer and president of TransUnion until December 31, 2012.
 He served as the chief executive officer of TransUnion LLC.
 He served as chairman of the board and chief executive officer of HSBC Finance Corporation from April 2005 to February 2007.
 He served as chief executive officer and president of TransUnion LLC from 2007 to 2012.
 From 1998 to 2007, he held a variety of positions with HSBC Finance Corporation and HSBC North America Holdings, Inc.
 Mehta served as chief executive officer of HSBC North America until February 2007.
 Mehta served as consultant of TransUnion since May 2007 until July 2007.
 Mehta served as group managing director of HSBC Holdings PLC of HSBC Finance Corp. since April 30, 2005, and its unit chief executive officer since March 2005.
 He served as the chief executive of HS BC North America Holdings Inc., of HSBC Finance Corp., from March 2005 to February 15, 2007.
 He served as an executive chairman of HSBC Financial Corporation Limited since April 2005 and served as its chief executive officer from April 2005 to February 15, 2007.
 He served as the chief executive officer of HSBC Bank USA, N.A. until February 2007.
 He served as the chief executive officer of HSBC North America Holdings Inc. since March 2005.
 He served as chairman and chief executive officer of HSBC Financial Corp., Ltd.
 He oversaw HSBC's global credit card services, its North American consumer lending and mortgage services businesses and its first mortgage operation.
 He was also responsible for corporate marketing, strategic planning and corporate development for HSBC North America Holdings Inc. and had responsibility for the strategic management of credit cards throughout the HSBC Group.
 Mehta served as group executive of Credit Card Services, Auto Finance and Canada of Household International Inc., since July 2002.
 He worked at MasterCard’s U.S. region board since March 2000.
 Mehta joined Household International Inc., in 1998.
 He served as senior vice president of The Boston Consulting Group in Los Angeles and co-leader of Boston Consulting Group Financial Services Practice in the United States.
 Mehta served as a director of Global Board of MasterCard Incorporated since March 17, 2005.
 He served as unit chairman of HSBC Holdings PLC and served as its board member since March 2005.
 He served as vice chairman and director of HSBC Financial Corporation Limited., (Formerly Household International Inc.).
 He has been a director of Avant Credit Corporation since December 18, 2014.
 He has been an independent director of The Allstate Corporation since February 19, 2014.
 He serves as a member of the advisory board at Core2 Group, Inc.
 He has been non-executive independent director at Piramal Enterprises Ltd since April 1, 2013.
 He serves on the boards of Datacard, Chicago Public Education Fund, University of Chicago Laboratory Schools, The Economic Club of Chicago, The Field Museum and Myelin Repair Foundation.
 He serves as a director of TransUnion Corp. and TransUnion LLC.
 He served as a director of MasterCard International Inc. (also known as MasterCard Worldwide) (formerly, MasterCard Inc.), since March 17, 2005.
 He served as a director of HSBC Financial Corp.
 Ltd.
 He has been a director of TransUnion since April 2012.
 Mehta serves on the board of international advisors for the Monterey, California, Institute of International Studies and is a member of the Financial Services Roundtable.
 He also serves on the board of advisors for the Myelin Repair Foundation.
 Mehta holds a Bachelor of Arts in economics from the London School of Economics and Masters of Business Administration from the University of Chicago.
 He stepped down as head of the North American unit after the lender raised its forecast for bad loans in the U.S.
 He is of Indian descent.
James L. Ziemer (born 1951) is the retired Chief Executive Officer and President of Harley-Davidson Motor Company.
 Ziemer became the company's CEO on April 30, 2005.
 Before assuming his position, he had previously served as Vice President and Chief Financial Officer of the Company from December 1990 to April 2005 and President of The Harley-Davidson Foundation, Inc. from 1993 to March 6, 2006.
 He retired from his position in April 2009, ending his 40-year career with the company.
J. Ronald (Ron) Terwilliger (born 1941) is the Chairman Emeritus and retired Chief Executive Officer of Trammell Crow Residential, and the Founder and Chairman of the J. Ronald Terwilliger Foundation for Housing America's Families.
Mortimer J. "Tim" Buckley (born 1969) is an American executive at The Vanguard Group.
 The Vanguard Board elected him unanimously to succeed F. William McNabb III as chief executive officer upon McNabb's retirement at the end of December 2017.
Susan E. Engel is an American business executive.
 She is the retired chief executive officer of Lenox Group, Inc., and currently a director of Wells Fargo & Company.
The Wellington Fund was the first balanced mutual fund in the United States, and is one of the oldest surviving mutual funds.
 It was established in 1928 by Walter L. Morgan with $100,000 raised from relatives and business people in Morgan's home state of Pennsylvania.
 It was originally called the Industrial and Power Securities Company, but was later renamed after the Duke of Wellington.
 Wellington Management Company was incorporated in 1933, and while it still manages the Wellington Fund, is a private firm, independent of Vanguard.
Walter L. Morgan (July 23, 1898 – September 2, 1998) was the founder of the Wellington Fund, the first balanced mutual fund in the United States and one of the oldest surviving mutual funds.
 Morgan was born in Wilkes-Barre, Pennsylvania where he prepared at the Hillman Academy.
 He graduated from Princeton University in 1920, and shortly thereafter became the youngest CPA in Pennsylvania.
 In the 1920s Morgan raised $100,000 from relatives and business people to create what he believed to be a stable investment portfolio.
 The Industrial and Power Securities Company was established in 1928.
 It was later renamed the Wellington Fund in honor of the Duke of Wellington.
 Wellington Management Company was incorporated in Philadelphia in 1933.
 In 1951 Morgan hired John C. Bogle who became his heir at the company.
John Clifton "Jack" Bogle (born May 8, 1929) is an American investor, business magnate, and philanthropist.
 He is the founder and retired chief executive of The Vanguard Group.
Robert B. "Yank" Heisler Jr. (born July 4, 1949; died April 11, 2017) was the retired chairman of KeyBank, the 12th largest bank in the United States by total assets, the retired chief executive officer of McDonald Financial Group, and was the dean of the Kent State University College of Business Administration and Graduate School of Management until 2011.
 The Kent State business school under Heisler's leadership was selected by The Princeton Review for its 2009 list of the top business education programs in the United States.
 In 2005, he was named to the "Inside Business" Hall of Fame.