About Twilly Cannon
Lived 1955 – 2016 (aged 60). Twilly Cannon was a writer.
Howard Charles Cannon III (September 23, 1955 – March 29, 2016), known as Twilly Cannon, was an American environmental and social justice activist. As a member of Greenpeace, Earth First! and a co-founder of the Ruckus Society, he was involved in numerous civil disobedience actions as well as training and skill-sharing with other activists and organizers.
Cannon was born in Newark, New Jersey to Barbara and Howard Cannon Jr. and grew up in Point Pleasant Beach, New Jersey. He attended Christian Brothers Academy in Lincroft and The Evergreen State College.
In 1977, he participated in the Seabrook, New Hampshire anti-nuke campaign, which helped stop the proliferation of U.S. nuclear power plants.
In the late 1980s, he helped stage Greenpeace actions against aluminum factories on the Saguenay and St. Lawrence rivers whose waste was killing beluga wales and threatening human health.
In the 1990s, with Greenpeace, Cannon stalked the Soviet navy as it attempted to dump a spent nuclear reactor in the Kara Sea northeast of Murmansk.
In 1995, he and Mike Roselle founded the Ruckus Society, a nonprofit organization that sponsors skill-sharing and non-violent direct action training, strategy and consultation for activists and organizers from frontline and impacted communities working on social justice, human rights, migrant rights, workers rights and environmental justice. Through his training, Cannon also helped AIDS activist groups protest anti-AIDS legislation.
He died in Brielle, New Jersey, aged 60.
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Important facts
People in Twilly Cannon's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Twilly Cannon's
Frequently asked questions
Who was Twilly Cannon?
American environmental activist
When was Twilly Cannon born?
Twilly Cannon was born on 23 September 1955.
When did Twilly Cannon die?
Twilly Cannon died on 29 March 2016.
What was Twilly Cannon's occupation?
Twilly Cannon was a writer.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Twilly Cannon. https://biography.guide/twilly-cannon/
MLA: "Twilly Cannon." Biography.guide, https://biography.guide/twilly-cannon/.
Chicago: "Twilly Cannon." Biography.guide. https://biography.guide/twilly-cannon/.
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