Conversation so far:
When did Lawrence Alma-Tadema move to belgium?
In 1852 he entered the Royal Academy of Antwerp in Belgium.
Why did Lawrence Alma-Tadema move to Belgium?
He entered the Royal Academy of Antwerp in Belgium where he studied early Dutch and Flemish art, under Gustaf Wappers.
What did Lawrence Alma-Tadema study at the Royal Academy of Antwerp?
He studied early Dutch and Flemish art, under Gustaf Wappers.
Did Lawrence Alma-Tadema paint anything while in Belgium?
Under Jan August Hendrik Leys' guidance Alma-Tadema painted his first major work: The Education of the children of Clovis.
What other things did Lawrence Alma-Tadema do in Belgium besides study at the Royal Academy of Antwerp and study under Leys?
Before leaving school, towards the end of 1855, he became assistant to the painter and professor Louis Jan de Taeye

Question: Who were his early influences?
Self-contained rewrite: Who were Lawrence Alma-Tadema's early influences?