According to Forbes, research has shown that most famous people achieve fame by the age of 29, but the average Academy Award nomination for male actors is 43.4 years old. This shows how once actors are on the ladder, it takes them a while to be considered among the best in the business. It also correlates with research from Betway, which found that winners in various fields had been in their profession for an average of 13 years prior to receiving an award. Managing to get into the industry is one thing, but rising to the top appears to be an even bigger challenge. So how did some of the most famous people get there?