additional guest lecture detail added

schedule-ugrad.md

@@ -155,8 +155,7 @@ Discussion of  accessibility testing and born accessible systems.
 
 ## Thursday (lab) Project Group Checkins (Full group attendance Required, details TBD)
 
-## Friday: (Tentative) AR/VR Accessibility
-- Possible guest visit by Xia with drone & AR/VR
+## Friday: AR/VR Accessibility (Guest: Xia Su)
 - <i class="fa-solid fa-house-laptop" aria-hidden="true"/> Readings and Preparation:
   - Watch [Working at the Intersection of Race, Disability and Technology](https://www.youtube.com/embed/qRMYjdSTnZs?si=HGRM6XIEwSiWbtqI) 
   - Listen to or watch **one of** the following first person accounts: 
@@ -174,11 +173,9 @@ Discussion of  accessibility testing and born accessible systems.
 {: .week}
 # Week 9 (11/17-11/23): Intersectionality and Sustainability
 
-## Monday: Intersectionality Roundtable (Guest TBD)
-- Asked Rahaf Alharbi; Aashaka and Stacy 
+## Monday: Intersectionality Roundtable (Guests: Rahaf Alharbi; Aashaka Desai and Stacy Hsueh)
 
-## Wednesday: Richard Ladner Guest
-- 
+## Wednesday: Deaf Technology (Guest: Richard Ladner)
 
 ## Friday: {% include slide.html title="Sustainability" loc="sustainability.html" %}