We both start our research

Coming back from the USA in 1973 we are both very motivated to start the research we have chosen to work on  at least for the near future

Buying a house in the city  

Irmtraud starts her research

- A conference in Pisa 
- starting my research
- a research grant 
- a fight for her documents
- study of the Dutch neutrality in WW I
- the decisions during WW II

-We realized a big success  
​- Van Mook knows all  rules

 Willem continues his   research
​
- meeting the SEM family
​- My first invitations 
​ ​- measurement research    
​- Changing my teaching
​​- Willem gets his Ph.D not       without problems

As reward we made a trip to Tucson and  Mexico  ​