Gender: boy
Salomon Zamel Calel may be Szlomo Calel because his date of birth fits perfectly in wiht where he went to school.
His occupation was a schueler.
Another option in Szlama Calel. He was born in 1929, so he is a couple years out of the typicle range for that school, but his name is so similiar.
Szlama Calel was also a schueller and his ghetto address was frosch 12 7