Denis Smith
https://www.denissmith.com.au/
https://www.instagram.com/the_ball_of_light/
Sven Gerard
https://www.lichtkunstfoto.de/
https://www.lightpainters.com/svengerard
https://www.facebook.com/Lichtkunstfoto/
https://www.flickr.com/photos/lichtkunstfoto/
EMD - Electrical Movements in the Dark
http://www.electricalmovements.de/
