One of his more famous projects in the 1930s was a prestigious development he created in Brockley, Southeast London, whereby Taper named one street Millmark Road (now Millmark Grove) in honor of his wife, (nicknamed Milly) in a portmanteau with his own name, and another Barrydale (now Barriedale) for his young son, Barry.
[2] By the late 1930s, Taper had retired and moved his family to Long Beach, California, becoming an American citizen.
In 1949 he partnered with Louis Boyar and Ben Weingart to acquire 3500 acres of agricultural land near Long Beach, The group formed the Lakewood Park Company and with financing from Prudential Insurance, built 17,000 affordable homes in the new community of Lakewood, California.
[1] Mark and Amelia Taper devoted much of their time to transporting hundreds of Catholic and Jewish children out of Nazi Germany.
[5] Taper died suddenly from a heart attack on 15 December 1994 in his Beverly Hills, California, home.