(in chronological order)
Ralf Schmitt <ralf@systemexit.de>,
Kostis Anagnostopoulos <ankostis@gmail.com>
Matthew Planchard <msplanchard@gmail.com>
run
git log --format='%aN' | sort -u
to see all contributors, or:git log --format='%aN <%aE>' | awk '{arr[$0]++} END{for (i in arr){print arr[i], i;}}' | sort -rn | cut -d\ -f2-
to sort them by the numbers of commits.