The OOo/LO template exposition concerning the contributor names included the advice to use Shit+Enter (similar to <br /> in XHTML) as a forced line break between names, so that question of the original poster need not have been made--assuming that the instructions in the template exposition were followed.
But again, there is no harm in asking...
As to pasting: the unformatted paste (Ctrl+Shift+V) is often more useful when pasting the clipboard contents from different documents, especially if different apps were used.
Gary