The Ackermann Function is a well-known example of a recursive function in computer science and mathematics. It is defined using two non-negative integers and produces a result that grows extremely quickly, even for small input values. The function is often used to illustrate the concept of deep recursion and the limits of computation. This function is named after Wilhelm Ackermann, who introduced it in the early 20th century. It serves as a benchmark for testing the efficiency of algorithms and programming languages, as it can exceed the capabilities of many conventional functions and can lead to very large outputs with minimal input.