No matter how old you are now, you are never too young or too old for success or going after what you want.
example:
** Jack Andraka**
You can see Jack Andraka's life history.Jack, at the age of fifteen, discovered a new type of sensor to detect the presence of cancer cells in humans, which is 25 - 50% more affordable than other cancer diagnosis methods. Even though the sensor was rejected by more than 200 labs, Jack was not disappointed. He has won the title of American Petroleum Researcher by continuous efforts and workshops.
Also can see Ann Macosinki's life history.
Canada's 16-year-old McSonkeyki has created a wonderful flashlight by utilizing body heat or body heat. In 2013, Macosinki invented the "Hollow Flashlight" because of the desire to distribute free lighting among the people behind the lack of adequate power supply.
So please focus your work ; Not your Age and Gain sucess