![Linderman Library Rotunda stained glass dome](/files/physics/styles/wide_ratio/public/2023-09/175_FallCampus15-Hulvat_original_0.jpg?itok=mBLHix-2)
![John Gregoris, Machinist for Lehigh's Physics Department](/files/physics/styles/square_profile/public/2023-11/54-John%20Gregoris%20III%202.jpg?itok=KmFt28WC)
John Gregoris
Machinist
610.758.3906
jmg7@lehigh.edu
Lewis Lab 103