Vitalik Buterin - Ethereum
Buterin first described Ethereum in a white paper in November 2013.
Buterin had argued that bitcoin needed a scripting language for application development. But when he failed to gain agreement, he proposed development of a new platform with a more general scripting language.
Gavin Wood - Ethereum and Polkadot
Balaji Srinivasan
Sam Williams - Arweave
Chris Dixon
