Who was Ida B Tarbell?

Was an American writer, investigative journalist, biographer and lecturer. She was one of the leading muckrakers of the Progressive Era of the late 19th and early 20th centuries and pioneered investigative journalism. She was born on November 5, 1857, and passed away on January 6, 1944.

Ida Tarbell was an investigative journalist and a lecturer in America.

Explanation:

Ida Minerva Tarbell is famously known for her exposing John D. Rockefeller's Standard Oil Company. Her work converted into a two-volume book The History of the Standard Oil Company, and it remained a famous classic investigating report. Ida Tarbell style of work is considered to represent muckraking journalism.