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About

Ed Penny is a leading figure in astronomical instrumentation and Galactic Archaeology, whose work has been pivotal in unraveling the Milky Way’s formation history. As the principal architect behind the High Efficiency and Resolution Multi-Element Spectrograph (HERMES) at the Anglo-Australian Telescope, Penny spearheaded the design, integration, and first-light commissioning of this facility-class optical spectrograph. His major contribution lies in enabling the GALAH (Galactic Archaeology with HERMES) survey—the first large-scale effort to reconstruct galaxy formation and evolution by chemically tagging millions of stars in our own galaxy. Penny’s foundational papers, including the 2015 first-light results (93 citations) and the 2012 integration study (17 citations), document the technical breakthroughs that made this survey possible. His work has directly empowered astronomers to trace stellar populations, measure chemical abundances, and map the Milky Way’s dynamical history with unprecedented precision. By transforming a bold concept into a working observatory workhorse, Penny has left an indelible mark on stellar astrophysics, providing the community with a powerful tool to decode our galaxy’s past.