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Dr John Hartnett

Physics, Cosmology (Australia)



Dr John G. Hartnett received both his B.Sc. (hons) and his Ph.D. from the University of Western Australia. He has now retired but has started a small company Cryoclock Pty Ltd to commercialise the ultra-stable sapphire clocks he helped developed during his research career. He has published more than 100 papers in peer-reviewed scientific journals. He writes topical articles on biblical creationist science, particular on astronomy and cosmology.


Dr Hartnett was announced as the winner of the 2010 W.G. Cady award by IEEE Ultrasonics, Ferroelectrics and Frequency Control Society.

The W.G. Cady Award recognizes outstanding contributions in the fields of piezoelectric or other classical frequency control, selection and measurement and resonant sensor devices.

The citation reads: “for the construction of ultra-stable cryogenic sapphire dielectric resonator oscillators and promotion of their applications in the fields of frequency metrology and radio-astronomy.
The award was presented during the 2010 IEEE International Frequency Control Symposium at Newport Beach, California in June.

The previous year’s winner was Sir Eric Ash.

See also It’s about time: Secular researchers agree: creationist helps develop the most precise clocks in the universe.




Ground-breaking cosmological papers for secular journals

Articles for CMI