Sir John MacLean was a prominent Scottish politician and a key figure in the early 20th century labor movement. Born in 1879, he became known for his strong advocacy for workers' rights and social justice. MacLean was a member of the Independent Labour Party and played a significant role in the Red Clydeside movement, which sought to address the needs of the working class in Scotland. In addition to his political activism, MacLean was an influential public speaker and writer. He was a vocal opponent of World War I and was imprisoned for his anti-war activities. His legacy continues to inspire those who fight for social change and workers' rights in Scotland and beyond.