. alfredson english means "son of alfred ". alger english from the given name algar . allan english , scottish derivedfrom the given name alan . allard french , english derivedfrom the given name adalhard (or the old english cognate æðelræd ). allen english , scottish derivedfrom the given name alan...
. alfredson english means "son of alfred ". alger english from the given name algar . allan english , scottish derivedfrom the given name alan . allard french , english derivedfrom the given name adalhard (or the old english cognate æðelræd ). allen english , scottish derivedfrom the given name alan...
was apprenticed to a pharmacist and worked in denmark and germany beginning in until passing his pharmacist's exam in . in , he became assistant in the chemistry department at the carlsberg laboratory under the chemist johan kjeldahl . johannsen studied the metabolism of dormancy and germination in seeds...