On April 12th, 2018, prof.dr. Jeff Th.M. De Hosson will commemorate Prof.dr.ir. Sieb Radelaar during the meeting of Koninklijke Nederlandse Akademie van Wetenschappen (KNAW) in Amsterdam.
Sieb was the first director of the Netherlands Institute for Metals Research NIMR, the predecessor of the Materials innovation institute M2i, and deceased in April 2017.