Stuart Haber is an American cryptographer and computer scientist, known for his contributions in cryptography and privacy-preserving technologies and widely recognized as the co-inventor of the blockchain.
Haber earned his PhD at Columbia University in 1987 under the advisement of Zvi Galil with a thesis titled Provably Secure Multi-party Cryptographic Computation: Techniques and Applications.
[6] In 2002, Haber joined HP Labs as a research scientist in the Princeton office, working there for 15 years on cryptography and security related problems.
Haber and Stornetta are the most cited authors in Satoshi Nakamoto’s original Bitcoin white paper, of the eight citations, three reference their work.
In 1992, Haber, Stornetta, and Dave Bayer incorporated Merkle trees into their design, improving its efficiency by allowing many document certificates to be collected into one block.