Which theorist conceptualized a distinction between time-based and space-based media?

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Harold Innis is known for conceptualizing the distinction between time-biased and space-biased media. This distinction is part of his broader theory on how media influences the development and maintenance of empires throughout history. Time-biased media, such as stone and clay, are durable and suited to the preservation of culture over time, whereas space-biased media, like paper and electronic communication, are more ephemeral and effective over large distances.

Which Theorist Conceptualized a Distinction Between Time-Based and Space-Based Media