hutch-tech was one of the world's first high schools with a digital computer, acquiring an ibm 1620 (level c) in 1961. this computer, with 20,000 bcd words of memory, was quite advanced for the time, and classes were taught in assembly language, symbolic programming, fortran, cobol, and numerical analysis. many hutch-tech graduates from the 1960s became pioneers in computing. perhaps the best known of these is astronomer and computer security expert clifford stoll.