Urgent in excel

Hello,
I want help you Please
I have 35 Trainings and I Planned them to The next year
in Every month I put the training
The answer how I can insert who will attend the training in one cell without insert comment is there any way to do that or not
Example:

A B C D E
1 Training Jul-09 Aug-09 Sep-09 Oct-09
2 80/20 1 1 1 1

in cell No. (B2) i want insert the trainee name they about 30 person and i want them appear in the print and screen