Author names in source files

I found there are some author names in some of source files.
Will we keep their names? And, will we add new author names
who wrote patches for those files?

src/backend/postmaster/syslogger.c(15)  : * Author: Andreas Pflug
src/backend/utils/adt/genfile.c(9)      : * Author: Andreas Pflug
src/backend/utils/adt/oracle_compat.c(7): *    Author: Edmund Mergl
src/backend/utils/adt/txid.c(14)        : *    Author: Jan Wieck, Afilias USA INC.

-- 
Itagaki Takahiro