Lake, Clair D., 104
Languages, programming, 211–15
Laning J. Halcombe, 214
LARC, 219
Larson, Earl, 222–23
Last, Jay, 240
Learson, Thomas Vincent, 180, 250
Lehovec, Kurt, 242

integrated circuit patent of, 242

Leibniz, Gottfried Wilhelm von, 30–35, 89

background of, 30–31
calculator of, 31–35

Leibniz wheel, 32–34, 39, 78–79
Lilly, William, 8
Lincoln Laboratory, and SAGE computer, 205–6
Linear equations, 88

Atanasoff-Berry computer and, 117
digital electronic computer and, 113–114

Livermore Atomic Research Computer. See LARC
Logarithms

invention of, 7
physical analog of, 10
tables of, 39–40

Logic. See also Boolean algebra

ancestor of modern, 30–31
paradox in, 144
undecidability in, 142–145

Logic chip, 263. See also Microprocessor
Loom, automatic, 62–63
Looping in programming, 64
Los Alamos, 130–31, 136, 139–40, 154
Lovelace, Countess of. See Byron, Augusta Ada