How do I change "Calendar" title to show name of Calendar owner?

[Kaleihiwahiwa]

When I am viewing several calendars at once, side by side, I can see who owns
each calendar.

However, I have seen that in other offices similar to mine, when other users
pull up calendars for their team mates, the top of each calendar reads
"Calendar" instead of each user's name.

How can I change this so that they can open several calendars at once and
know by the heading of each calendar who each one belongs to?

thanks.