The first objective of the paper by Michael Walczak and David Kretzer was to evaluate in quantitative terms the changing lighting quality within a vertically densifying informal settlement. The second was to understand the benefits a virtual environment offers for informal settlement lighting planning and policy making.

The paper was published in the Athens Journal of Architecture:
www.athensjournals.gr/architecture/2020-3677-AJA-PLA-Kretzer-Walczak-04.pdf
 
The authors of the paper thank Dr. Ndaona Chokani, Prof. Hubert Klumpner, Prof. Dr. Andreas Wenger and Prof. Dr. Reza Abhari from ETH Zurich, Prof. Anton Falkeis from the University of Applied Arts Vienna as well as Prof. Jaime Hernández Garcia and Sandra Caquimbo Salazar from Pontificia Universidad Javeriana for their academic advice. The authors would also like to thank Zumtobel Lighting for their technical support.