Rivett died on July 8 in Marion, Ill.
The award recognizes those who have made “significant, sustained contributions” to Specialized Pastoral Ministry.
Nominations and applications are invited for the position of International Center chaplain/director of Worship for The Lutheran Church—Missouri Synod.
Gard, the 11th person to have served the university as president since its founding in 1864, became president in 2014.
After serving as pastor of St. Paul Lutheran Church in Austin, Texas, for 15 years, Nuckols — an LCMS reserve chaplain — has been called into active duty.