Sisson, Charles "Chuck" 77, of Bloomington, MN. Passed away suddenly of a traumatic brain injury from a fall on August 11. He was married to Nancy Reichert-Sisson, the other half of his soul, for 36 years. Also survived by his daughter, Vikktoria Crist (John), sisters Suzanne Sisson (Jackie Niemand) and Charlene Stassi, step-daughters Lainey Durscher (Robert Fales) and Jenny Gutknecht (Mark), grandchildren Zelda Crist, Tess and Owen Durscher, Monte and Jossie Gutknecht and many nieces, nephews, great nieces and nephews and great-great nieces and nephews. Preceded in death by Jean Sisson; father Charles Sisson; and Mary Montalbano. Chuck served in the U.S. Air Force. He worked for Unisys Corporation for 32 years, then for Research International for six years before he retired in 2002. Private memorial to be held on Saturday, August 26. If you wish to attend, email rssi1999@gmail.com for time and location. Thank you to the staff of the Surgery ICU and the neurosurgeons at HCMC for the wonderful care they gave Chuck and his family during his stay there. If desired, memorials to the family.