1 rich Libsyn https://www.libsyn.com 90 600 Once holding the title of &quot;curator of timekeeping&quot; David Rooney has served in museums since the mid-nineties.&amp;nbsp;David chairs the Electrical Timekeeping group and acts as pass steward of the Worshipful Company of Clockmaker.&amp;nbsp; David has authored several books, including Spaces of Congestion and Traffic, Politics and Technologies in 20th Century London Mathematics How It Shaped Our World. AMSEcast http://amsecast.libsyn.com/website <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/28181261/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/162348257