Among his numerous students, John Pauls (Sydoruk), Volodymyr Zhyla, Robert Klymasz, Forvyn Bohdan, and Stephen Holutiak-Hallick continued his work in onomastics and other fields.
Jaroslav Tůma | Jaroslav Hašek | Jaroslav Drobný | Jaroslav Vrchlický | Jaroslav Marvan | Jaroslav Pollák | Jaroslav Havlíček | Jaroslav Věšín | Jaroslav Vanek | Jaroslav Skobla | Jaroslav Rudnyckyj | Jaroslav Levinský | Jaroslav Kysela | Jaroslav Katriňák | Jaroslav Jakubovic | Jaroslav Holík | Jaroslav Halák | Jaroslav Halak | Jaroslav Drobný (footballer) | Jaroslav Dietl |
This was the case in Canada were Ukrainian Canadians activists such as Jaroslav Rudnyckyj and Paul Yuzyk and other "third force" successfully pressured the Canadian government to adopt multiculturalism as official policy in 1971.