As Fr. Thomas von Behren, CSV, wraps up his final week at Cristo Rey St. Martin, students, faculty and staff members shared their thoughts in a heartfelt video tribute. The images demonstrate just how much Fr. Tom put himself into getting the school up and running — from meeting with architects and designers before its groundbreaking, to shaking hands with students on the first day, to establishing the its Catholic traditions and academic bar.

But handwritten notes featured in this three-minute video fill in the blanks with all the intangibles that Fr. Tom brought to students and staff, that will stay with them long after he leaves. Take a look: