Gemma Henrieke Janssen

Affiliations: 
2009 University of Amsterdam, Amsterdam, Netherlands 
Website:
https://www.astro.ru.nl/wiki/nl/general/people/gemma_janssen
Google:
"Gemma Henrieke Janssen"
Bio:

https://www.astron.nl/astronomy-group/people/gemma-janssen/gemma-janssen
G.H. Janssen at the Album Academicum of the University of Amsterdam