The National Progressive Party
) was a liberal political party
from 1918 to 1951. Famous members of the party included Kaarlo Juho Ståhlberg
and Risto Ryti
, the first and fifth Presidents of Finland
, and Sakari Tuomioja
Edistyspuolue finished its existence in spring, 1951, as most of its active members had joined Finnish People's Party (Suomen Kansanpuolue). A minority group including Sakari Tuomioja founded Vapaamielisten Liitto.