Edwin Thiele proposed that many of the puzzling numbers resolve once you allow for coregencies — a son ruling alongside his father — and for Israel and Judah counting royal years from different starting points. It's an influential harmonizing reconstruction rather than a settled solution; several of its proposed coregencies remain disputed, and later chronologists (Galil, Hughes, Tetley among them) revise or reject the method.
His framework remains widely cited, though other scholars propose competing chronologies and some reject the coregency solution outright. The underlying insight still holds: not every ancient discrepancy is an error — sometimes it's a different accounting system.
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