Whittaker 1915 + Nyquist 1928 + Shannon 1949 + Kotelnikov: bandlimited signal with cutoff B reconstructed exactly from samples at f_s >= 2B; sinc-interpolation; foundation of digital signal processing.
Whittaker 1915 + Nyquist 1928 + Shannon 1949 + Kotelnikov: bandlimited signal with cutoff B reconstructed exactly from samples at f_s >= 2B; sinc-interpolation; foundation of digital signal processing.