Robert Collier was an American essayist born on April 19, 1885, in St. Louis.

The details of his career span the first half of the twentieth century. Born toward the close of the Gilded Age, he lived and worked through decades of significant change in American life, producing essays during a period when the written word served as a primary vehicle for ideas and self-improvement. He died on January 1, 1950, bringing a career of more than six decades to a close.

His work as an essayist places him within a tradition of American writers who used prose to address readers directly and personally. The essay form, with its capacity for argument, reflection, and practical guidance, appears to have been the medium through which Collier made his contribution to American letters.

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