[Q]: [IndividualswithsurnameMAURITZEN]
[A]: [Individuals with surname MAURITZEN]
[Q]: [indicatorPeriodindicatorperiod.]
[A]: [indicatorPeriod indicator period.]
[Q]: [Hisofficialcourseswereonquantummechanics,classicalmechanics,andcomplexfunctiontheory.]
[A]:
[His official courses were on quantum mechanics, classical mechanics, and complex function theory.]