C was developed by Dennis Ritchie between 1969 and 1973 at AT&T Bell Labs. C was standardized by ANSI in 1989 and called "ANSI C" or "C89". ISO standard C was released in 1999 was known as C99.
C is most widely used programming languages of all time from which many other languages borrowed concepts directly or indirectly from it like D, Go, Rust, Java, JavaScript, Limbo, LPC, C#, Objective-C, Perl, PHP, Python, Verilog and Unix's C shell.