SWhat changed
Uses the light-quantum hypothesis to explain the production and transformation of light and derive the relation between photoelectron energy and incident frequency.
Scientific scope
Uses the light-quantum hypothesis to explain the production and transformation of light and derive the relation between photoelectron energy and incident frequency. Scope limitation: This entry is the 1905 heuristic theory. It does not combine the original experimental discovery, subsequent precision measurements or relativity papers into one achievement.
Evidence
Assessment uses the catalogue-linked source evidence for the stated contribution. This entry is the 1905 heuristic theory. It does not combine the original experimental discovery, subsequent precision measurements or relativity papers into one achievement.
Contributors
- Albert Einstein · SCIENCE: Named source contributor; exact labor shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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