Lt. Col. Richard Ross Larson On August 10, 2014 of Baltimore. Beloved husband of the late Mildred Larson; Loving father of Mary (Allen) Gelderloos, Timothy (Debra) Larson, Patricia (Carlos) De Rosa, and the late Richard P. and David Larson; Cherished grandfather of Nathan, Andrew, Kate, Robin, Stephen, Jonathan (Bethany), Sarah (Steve) Shaffer, Jessica and Jason; Adored great-grandfather of Emily, Samantha, Jameson, Jenna, Kyle, Emma, and Ana. Richard was the Stated Clerk for the Potomac Presbytery for over 20 years, a member of Wallace since 1951, and a physicist for the US Geological Survey. Memorial service will be held on Saturday, August 30, 2014 at 11am at Wallace Presbyterian Church, 3725 Metzerott Rd, College Park, MD 20740. In lieu of flowers, for donations please view the family guestbook at www.hinesrinaldifuneralhome.com .