Jacob Gross (mai yin piano)

An haifi Jacob Gross (26 ga Yuli, 1819 - 1899) [1] a Württemberg, Jamus. An ɗauke shi ƙwararren mai kera piano na tsohuwar makarantar. , ya koyi sana'arsa a Stuttgart sannan daga baya ya yi aiki a wasu manyan masana'antu na Jamus, Switzerland, Spain da Paris. Ya je Amurka a 1848, ya saba da hanyoyin da ake amfani da su a can, yana aiki a Troy, New York sannan ya tafi Baltimore. Ya yi aiki a Charles Stieff a Steiff Piano Factory daga 1856, kuma a ranar Kirsimeti 1860 ya auri Catharina Christiana Stieff (1833–1906), 'yar Charles. Shiga kasuwancin dangin Stieff ya kasance kyakkyawan haɗin gwiwa: ƙwararren mawaƙi kuma ɗan kasuwa, Steiff, wanda ƙwararren mai yin piano da ƙwararren masana'anta, Gross ya tallafa masa. Lokacin da Charles ya mutu, 'ya'yansa maza, Charles Jr. da Frederick P. Stieff suka ci gaba da kasuwancin cikin nasara. Gudanar da fasaha na masana'antun ya koma hannun ɗan Jacob Charles, wanda ya horar don ya zama madadinsa.

 Manazarta 
"Baltimore's Stieff Piano Company rose to worldwide fame. Much credit goes to Jacob Gross"