Caltrop or puncture vine (Tribulus terrestris); to thatch (a roof)

Roberts

Fitzgerald (name)

Benz (name); Karl Benz (1844-1929), motor car pioneer

Linz (city in Austria)

(loanword) tzigane; gypsy

Ibaraki (prefecture in Japan)

arrowhead (Sagittaria subulata, a water plant)

Graz (city in Austria)

Potsdam, near Berlin, Germany

Lorentz (name); Hendrik Lorentz (1853-1928), Dutch physicist, 1902 Nobel laureate

Gatsby

Mainz (city in Germany)

Botswana

lit. earthen steps and a thatched hut; frugal living conditions (idiom)

Konstanz (Germany)

Leon Trotsky (1879–1940), a leader in the Russian Revolution in 1917

Tskhinvali, capital of South Osetia

Leibniz (name); Gottfriend Wilhelm von Leibniz (1646-1716), German mathematician and philosopher, co-inventor of the calculus

Salzburg

Hogwarts (Harry Potter)

Horowitz (name)

Donetsk, city in Ukraine

Irkutsk

Wroclaw, Polish city

Plesetsk, settlement in Arkhangelsk Oblast, Russia

Bill Gates (1955-), co-founder of Microsoft

Potsdam conference, July-August 1945, between Truman, Stalin and British prime ministers Churchill and Attlee

Potsdam Declaration

the Cotswolds (England)

Morgan Tsvangirai (1952-2018), Zimbabwean politician

Alois Alzheimer (1864–1915), German psychiatrist and neuropathologist

Alzheimer's disease

Alzheimer's disease

Alzheimer's disease

Saint Kitts and Nevis

Alzheimer's disease

Alzheimer's disease

Plesetsk Cosmodrome, Arkhangelsk Oblast, Russia