in 1969, although he returned to Canada in 1965; his thesis, under the supervision of Alfred Jules Ayer, attempted to refute empiricism.

His philosophical work consists of approximately 75 papers,[2] including: He is the author of Reason, Truth, and Reality,[3] a "defense of pre-Kantian rationalism".

According to reviewer Peter Tramel, his effort culminates in arguments for universal impermanence, continuous deterministic causality, and utilitarianism.

According to Hewitt (2002), Goldstick has been the subject of illicit Royal Canadian Mounted Police (RCMP) surveillance since the age of 15.

Since returning to Canada he has worked on many direct action campaigns including students issues like tuition reduction and elimination; against sexism, homophobia and racism such as the Dr Chun case;[7] international solidarity with the ANC, Black Panthers, Angela Davis, and FMLN; as well as electoral politics on the municipal, provincial and federal level.

He is a member of Not In Our Name, an anti-Zionist group and has participated each week since the mid 2000s in a picket of Chapters Indigo bookstore on Bay Street.

Although never been elected, "Red Danny" is still remembered for his sense of humor, satire and wit during public all-candidates meetings—sometimes even getting the strongest applause from audiences by the end of debates.