He was a central board member of the party from 1912 to 1915.
He was also a central board member from 1934 to 1964.
This is not the only death that the group faced over the years, with quite a number of central members dying.
From 1995 to 1997 he was a central board member of the party, chairing the committee on foreign policy.
During the mid-1980s he was a central member of the group, often taking vocal duties.
He was then a central board member until 1925.
He was a central board member of the Communist Party from 1937 to 1945 and 1950 to 1972.
Later, she redefined it as the most central member of a category.
He was a central board member of the Centre Party from 1977 to 1979.
She was a central board member of the Centre Party from 1979 to 1983.