The freelance photographer can create a free account to access Box to allow uploads.
To create the free account the photography needs to go to:
https://www.box.com/personal
and select “Get a free account”.
When logging into Box.wustl.edu the photographer will need to select “Log in to WUSTL Box”.
On the next web page they will need to select “Not a part of Washington University in St Louis” button.
