Lake Lyndon B. Johnson and Llano County runs down the center of the lake. The lake was originally called Lake Granite Shoals. The dam would be renamed Wirtz Dam in 1952 for Alvin J. Wirtz, the first general counsel of the LCRA, and the lake was renamed to Lake Lyndon B. Johnson in 1965 in honor of US President Lyndon Baines Johnson. In addition to his work to enact the Rural Electrification Act that formed the basis for building the Texas Highland Lakes, President Johnson owned a ranch on the lake (which was separate and apart from the LBJ Ranch in Stonewall, Texas). He
Reynold B. Johnson Reynold B. Johnson Reynold B. Johnson (July 16, 1906September 15, 1998) was an American inventor and computer pioneer. A long-time employee of IBM, Johnson is said to be the "father" of the hard disk drive. Other inventions include automatic test scoring equipment and the videocassette tape. A native of Minnesota, born to Swedish immigrants, Johnson graduated from Minnehaha Academy (1925) and went on to graduate from the University of Minnesota (BS in Educational Administration, 1929). In the early 1930s, Johnson, then a high school science teacher in Michigan, invented an electronic test scoring machine that sensed pencil marks on a