Mathematician and Software Professional
Gerald Eichstädt is a mathematician working as a software professional and amateur scientist. He is working on a spectrum from research on foundations of mathematics, to pure and applied mathematics, and to applications in software engineering and development. His professional work usually isn't published, but becomes part of software products or services of client companies. He is co-owner of a small software company. He participates at unmannedspaceflight.com under the name "Gerald."