Vale John Thorn

July 1st, 2022

We are sad to pass on the news that John Thorn recently passed away.

John worked in CSIRO NML and then NMI, retiring in 2007 after more than 42 years.

In Time and Frequency, he was the hydrogen maser guru, having been part of the team that built them.

If you would like to share your own memories or stories of John, please contact and we will share them on our website.