Van der Poorten was also active in science fiction fandom , beginning in the mid-1960s . He was an early member of the Sydney Science Fiction Foundation , attended the first SynCon in 1970 , became friends with '' Locus '' publisher Charles N. Brown and ( with psychologist Tom Newlyn ) was known as one of " Sydney 's terrible twins " . His fannish activities significantly lessened by the late 1970s , but as late as 1999 he was a member of the 57th World Science Fiction Convention in Sydney where he helped operate the '' Locus '' table
57th World Science Fiction Convention
57th World Science Fiction Convention
Alfred van der Poorten