Hal Finney, was a computer scientist, a web developer and Cypherpunk, he was a Bitcoin pioneer and also the first recipient of Bitcoin from Satoshi Nakamoto, the mysterious Bitcoin creator who remains unknown to this day.
This first Bitcoin transaction between Hal and Satoshi is called the “block height 170”. You can check it on the Blockchain here: blockchain.info
Hal Finney was also the first one to tweet about Bitcoin, right after the transaction was completed.
To know more about Hal Finney, his acheivements and his contribution to the Bitcoin community, here is a post he wrote on the Bitcoin Talk Forum: BitcoinTalk
Rest in peace Hal. (May 4, 1956 – August 28, 2014)