C. E. Shannon (1948)
Bell System Technical Journal, 27(3), 379-423.
DOI: https://doi.org/10.1002/j.1538-7305.1948.tb01338.x
Abstract. The founding paper of information theory. Introduces entropy as a measure of information, proves the source and channel coding theorems, and establishes the mathematical framework for reasoning about communication, compression, and uncertainty.
Tags: information-theory foundational