Gunilla Jonsson and Michael Petersén

Gunilla Jonsson and Michael Petersén are Swedish writers and designers of role-playing games.

They wrote the Mutant and KULT games while working for Äventyrsspel (Target Games) in the 1980s.

They helmed their own game company, Ragnarök Speldesign, for a few years in the late 1980s.

[1][2][3][4][5][6] Jonsson and Petersén ended up in the same group of role-players in 1981.

They are married, and both work at the SF-Bokhandeln bookstore in Stockholm.

Michael Petersén and Gunilla Jonsson at a science fiction convention (Swecon 2018)