<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><span style="background-color: rgba(255, 255, 255, 0);">Dear Colleagues,</span><div><span style="background-color: rgba(255, 255, 255, 0);">I draw your attention to the planning of IUCr Congress 2020 in Prague for which I am assisting with the programme planning on the data aspects:-</span></div><div><font color="#000000" style="caret-color: rgb(0, 0, 0); background-color: rgba(255, 255, 255, 0);"><a href="http://forums.iucr.org/viewtopic.php?f=39&t=410" style="caret-color: rgb(0, 0, 0); background-color: rgba(255, 255, 255, 0);">http://forums.iucr.org/viewtopic.php?f=39&t=41</a> </font></div><div><span style="background-color: rgba(255, 255, 255, 0);">The Programme Committee is listed here:-</span></div><div><font color="#000000"><span style="caret-color: rgb(0, 0, 0); background-color: rgba(255, 255, 255, 0);"><a href="http://www.iucr25.org/ipc/list.htm">http://www.iucr25.org/ipc/list.htm</a> </span></font></div><div><span style="background-color: rgba(255, 255, 255, 0);">All best wishes,</span></div><div><span style="background-color: rgba(255, 255, 255, 0);">John</span></div><div><span style="background-color: rgba(255, 255, 255, 0);"><br></span><div dir="ltr"><span style="background-color: rgba(255, 255, 255, 0);">Emeritus Professor John R Helliwell DSc</span><div><span style="background-color: rgba(255, 255, 255, 0);">Chairman of the IUCr Committee on Data </span></div></div></div></body></html>