Curator of the collection:

Dr. Lesley A. Robertson FRSB

Delft School of Microbiology Archives
Building 3
Mijnbouwstraat 120
2628 RX Delft, The Netherlands

The collection can only be visited by appointment. 

Translation header:
"Happy are they who start now" M.W. Beijerinck
Plaque with a quote from the retirement lecture of Beijerinck, made by A.W. Wijkniet 1926