The dictionary was compiled by linguists from the Institute of Polish Studies and Logopaedics at the University of Warmia and Mazury in Olsztyn:
dr hab. Iwona Kosek, prof. UWM
And:
Piotr Sikora (created the application Werbosław)
Katarzyna Witkowska (PhD student in the Institute of Polish Studies and Logopaedics at UWM).