many people have travelled in the arctic and have attempted to describe what they saw in words and pictures, but few of them have understood how to reproduce the unique, rich colours that are found in greenland's nature as well as emanuel a. petersen.

Write the above sentence using proper case.
Many people have travelled in the Arctic and have attempted to describe what they saw in words and pictures, but few of them have understood how to reproduce the unique, rich colours that are found in Greenland's nature as well as Emanuel A. Petersen.