MATHESON, David S., Ph.D., P.Eng 1943 - 2011 David Samuel Matheson of Calgary, Alberta passed away on June 19, 2011 after a brief and sudden illness. Born in Edmonton, Dave was raised in Winnipeg, Edmonton and Grande Prairie. After completing high school Dave attended Royal Roads Military College for his first year of university. He then went on to complete his B.Sc., M.Sc. and Ph.D. in Civil Engineering at the University of Alberta. A highly respected geotechnical engineer, Dave's career took him to jobs across Canada and all over the world. He worked on a variety of geotechnical engineering assignments in North and South America, the Middle East, the Caribbean, and Asia. Dave will be remembered for his keen intellect, unique personality, and dedication to engineering. Throughout his life, he enjoyed outdoor activities especially camping, hunting and fishing. Dave had a love of history and books. He will be forever missed by his children Heather (Thom) of Calgary, Samuel (Agnieszka) of Winnipeg and Elizabeth (Nathan) of Regina; and seven grandchildren. He is survived by his sister Janet (Jim) of Fairbanks, Alaska, brother Bill (Beverley) of Edmonton, sister Jo Anne of Onoway, sister Sue Anne (George) of Snow Lake, Manitoba, and their families. Dave was predeceased by his parents, Samuel and Mary Matheson of Edmonton. A Memorial Service will be held at CALGARY CREMATORIUM CHAPEL, 3219 - 4 Street N.W., (within the valley of Queen's Park Cemetery), Saturday, July 30, 2011 at 1:00 p.m. Forward condolences through www.hffs.com . If friends so desire, memorial tributes may be made directly to the APEGGA Educational Foundation, 1500 Scotia One, 10060 Jasper Avenue, Edmonton, AB T5J 4A2 (Telephone 1-780-421-0557, www.apegga.org/educationfoundation/ ). The family wishes to thank the caring and compassionate staff at the Rockyview General Hospital, particularly Unit 94.