Today I am adding four new members to the Mainframe Hall of Fame.  Each of these gentlemen were instrumental in the tremendous success of the IBM mainframe.  

Edgar Codd
Edgar Codd invented the relational model for database management. He published his groundbreaking paper, ‘A Relational Model of Data for Large Shared Data Banks’, while working for IBM in 1970.

Barry Merrill
Barry Merrill is pioneer in the area of performance management. He is the author of MXG Software, a system that is installed in more than 6,000 sites worldwide.

Vern Watts
Vern Watts, often referred to as the “Godfather of IMS”, was with IBM for more than 50 years. He helped dream up and develop IMS in 1966 while serving as the operating systems expert for IBM’s Aerospace District.

Eldon Worley
Eldon Worley, the designer and principal architect of RACF, worked on it from 1970 through 1992 at the Almaden IBM Research Laboratory. He is currently a senior product architect at Vanguard Integrity Professionals.

Click here to see the complete list of the Mainframe Hall of Fame’s 22 members. I welcome the nomination of additional individuals who have also been important to the success of the IBM mainframe. Please send your recommendations to me at