Many have been thinking about this for a long time, It can be traced as far back as Thomas Digges in the mid 1500's, Johannes Kepler in 1610 and even later by Edmond Halley in the eighteen century, and curiously, even Edgar Allen Poe anticipated possible explanations as to why the night sky is dark, but it was not popularized as a paradox until German amateur astronomer Heinrich Wilhelm Olbers began to think about it in the nineteenth century.