A monographer is someone who writes about a particular topic in great detail, often for an academic or professional audience. There are several synonyms that can be used to describe a monographer, including author, scholar, researcher, academic, expert, specialist, pundit, or authority. These words all convey a sense of deep knowledge and expertise in a specific subject area, as well as a dedication to researching and writing about that topic in a thorough and comprehensive manner. Whether you are looking to describe a famous author or an academic expert in a particular field, these synonyms will come in handy when you want to convey a sense of expertise and knowledge.