William Kenneth Hartmann - Wikiwand

William Kenneth Hartmann is a noted planetary scientist, artist, author, and writer. He was the first to convince the scientific mainstream that the Earth had once been hit by a planet sized body , creating both the Moon and the Earth

Prabook

List of geophysicists - Wikiwand

William K Hartmann: 'First on Mars', November 1993 : r/sciencefiction

Johannes Franz Hartmann - Wikiwand

Painter frank hi-res stock photography and images - Alamy

Psychology – Viewpoints which Matter

Prabook

GTU GeekDay 2019 Limitations of Artificial Intelligence

Maria Amalia, Holy Roman Empress - Wikipedia

William K. Hartmann, USA

Patsy Mink - Wikiwand