Generally speaking, your sponsor should be the professor for the class in which you completed your project. However, if that faculty member no longer works here or is otherwise difficult to reach, you may ask your advisor or another appropriate faculty member for sponsorship.
The award committee will neither solicit recommendations from faculty nor send reminders. It is YOUR responsibility to make sure the application is complete.
Fill out your application form here. As part of the application, you will need to write a 250-500 word essay describing your research. This is a CRITICAL piece of your application. Here are some ideas for writing that essay: