A life that ran from rural Mississippi through three of the bloodiest amphibious landings of the Second World War, then across four continents building agricultural institutions — and ended in Bethesda, a few years after your father met your mother at College Park. You never met him. This is who he was.
Part One
Louis served with the 1st Reconnaissance Troop (Mechanized) of the 1st Infantry Division — the "Big Red One," the oldest and arguably most storied division in the U.S. Army, named for the red numeral "1" on its shoulder patch. His obituary records that he landed in North Africa, Sicily, and Normandy, and earned the Silver Star and Bronze Star. Those three landings are not a random set — they are precisely the combat path of the 1st Infantry Division, in order.
This is the part worth dwelling on, because it tells you something about the kind of soldier he was. Reconnaissance troops were the division's eyes — small, fast, lightly armored units (jeeps and armored cars) whose job was to move ahead of the main force, find the enemy, and report back. The grim reality of the war, documented in the Army's own postwar doctrine studies, was that recon units "had to fight to gain information" — you couldn't scout a defended position without drawing fire. It was dangerous, exposed, forward work, done by relatively few men.
Part Two
After the war, Louis went home to Mississippi, took an undergraduate degree at Mississippi State, and earned a doctorate in agriculture at LSU. Then, in 1955, he joined the U.S. foreign assistance program — the agency that became USAID — and spent the next two decades exporting exactly that expertise around the world.
The obituary's most specific claim — that he helped establish Vietnam's National College of Agriculture in 1956 — is independently corroborated. An institution by that name was founded in this exact period at Bảo Lộc, in Lâm Đồng province, and it survives today as Nong Lam University in Ho Chi Minh City, one of Vietnam's major agricultural universities. The dates (1955–56) and his role match cleanly. This was the era of large American agricultural-aid efforts in the newly independent South Vietnam, and refugee resettlement was a defining task after the 1954 partition that sent hundreds of thousands of people south. He was in the middle of it.
Part Three
This is the question that started the thread, and the obituary answers it. Louis came to Washington in 1969 for USAID headquarters and lived in Bethesda from then on. Your father, born 1958, would have been about eleven when the family settled in the D.C. suburbs — so he came of age in Bethesda and finished growing up there.
For a bright kid in Bethesda in the mid-1970s, the University of Maryland, College Park was the natural flagship state university — close to home, affordable, large. That is almost certainly why Christian was there. And it is where he met your mother, Susan, whose own family had landed in the Annapolis area (Severna Park) by the mid-1970s, likely through your maternal grandfather Roger's postwar radar/defense work in the same Baltimore–Washington corridor.