![](https://secure.gravatar.com/avatar/a6c4e6dffa3945c3c86d797343723e98.jpg?s=120&d=mm&r=g)
10 Jun
2021
10 Jun
'21
6:21 p.m.
Dear Colleagues, I commend to you the European Crystallography School ECS6. Full details are here:- https://akcongress.com/ecs6/ Best wishes, John Emeritus Professor John R Helliwell DSc