Which theologian advocated for salvation through faith alone, rather than through actions or works?

The theologian who advocated for salvation through faith alone is Martin Luther. To discover this information, you could start by conducting a search online using a reliable search engine like Google. Simply enter a query like "theologian who advocated for salvation through faith alone." The search results will likely provide multiple sources and references pointing to Martin Luther as the key figure associated with this theological belief. You can also refer to reputable sources such as theological textbooks, encyclopedias, or scholarly articles to gather more detailed information about Martin Luther and his teachings on salvation through faith alone.

The theologian who advocated for salvation through faith alone, rather than through actions or works, is Martin Luther.