Determining the "best" developer in the world is subjective and varies depending on the specific criteria being used for evaluation. Some developers gain recognition for their contributions to open-source projects, for their innovations in specific programming languages or technologies, and some for their impact on the industry as a whole.

Well-known developers such as Linus Torvalds (creator of Linux), Guido van Rossum (creator of Python), and Bjarne Stroustrup (creator of C++) are often considered influential in their respective fields. However, there are countless developers worldwide who have made significant contributions to the advancement of technology.

Ultimately, the "best" developer would depend on the context and criteria that are most relevant to the specific evaluation. If you have a particular area of development or criteria in mind, I'd be happy to provide more tailored information.