These include his Mand og pige (Man and Girl, 1934) on Copenhagen's Genforeningspladsen, depicting two figures walking boldly into the future while looking lovingly at one another.
His Sportspige (Sports Girl, 1939) and Knud Rasmussen monument (1963) near Charlottenlund present a more robust and somewhat simpler approach with figures exuding calmness and restraint.
The same can be said of the Mindesmærke for de faldne (Memorial to the Fallen, 1947) in Bispebjerg Cemetery and of Den sårede frihedskæmper (The Wounded Freedom Fighter, 1950) in Kolding, both in granite.
[1][2] Søndergaard was also the driving force behind the Atelier Houses (Aterlierhusene) in Bispebjerg which provided simple, inexpensive accommodation for artists during the difficult years of the Second World War.
Completed in 1943, the three rows of two-storey terraced houses near Utterslev Lake were specially designed to contain small studios with plenty of daylight.