When David brought the Ark of the Covenant, as they passed Nachon's threshing floor, the oxen pulling the Ark of the Covenant stumbled, and Uzzah reached out his hand to the Ark of the Covenant and died.
2 Samuel 6:4They brought it out of the house of Abinadab) on the hill with the ark of God, and Ahyo went before the ark.2 Samuel 6:5David and all the house of Israel were celebrating before the Lord with all kinds of instruments made of pine wood, with harps, lyres, tambourines, sistrums and cymbals.2 Samuel 6:6When they came to Nachon's threshing floor, the oxen stumbled, and Uzzah) reached out his hand to the ark of God and took hold of it.2 Samuel 6:7Then the anger of the Lord was aroused against Uzzah), and God struck him there for his error; and he died there by the ark of God.2 Samuel 6:8And David became angry because the Lord had broken out against Uzzah); and he called the name of the place Perez Uzzah to this day.
In Chronicles, it is referred to as Chidon's threshing floor, which could be the same person, or Chidon could be a place name or a nickname.
1 Chronicles 13:9When they came to Chidon's threshing floor, Uzzah) put out his hand to hold the ark, for the oxen stumbled.