Edward Meyers McCreight is an American computer scientist. He received his Ph.D. in computer science from Carnegie Mellon University in 1969, advised by Albert R. Meyer. He co-invented the B-tree with Rudolf Bayer while at Boeing, and improved Weiner's algorithm to compute the suffix tree of a string. He also co-designed the Xerox Alto workstation, and, with Severo Ornstein, co-led the design and construction of the Xerox Dorado computer while at Xerox Palo Alto Research Center. He also worked at Adobe Systems.