Final answer:
J.R.R. Tolkien faced challenges and obstacles on his path to becoming a successful author, but his perseverance paid off and he became one of the most celebrated authors of the 20th century.
Step-by-step explanation:
J.R.R. Tolkien, the author of 'The Lord of the Rings' series, faced various challenges and obstacles on his path to becoming a successful author. He encountered financial difficulties, personal hardships, and rejections from publishers. However, Tolkien persevered and continued to develop his writings, including the creation of languages and the fictional world of Middle-earth. His dedication eventually paid off, and he became one of the most celebrated authors of the 20th century.