The first wedge was probably used as a knife or scraper and was probably just a broken piece of a stone. Stones that fit easily ...
Who invented the wedge? In: Inventions [Edit categories]. Answer: The inventor of the wedge is unknown but the machine has been around since 7000 BC.
In 1976, Antoine Cassese invented the wedge that revolutionized framing techniques throughout the world and the now-famous Cassese underpinner.