in 2015, he represented biennale at the end as -- vienna's biennale.olonial past with this trojan horse statue. and the cultural and historical significance to the mold. heri dono: what happened, and then my work, i make a dialogue or friendship with other artists from all over the world. i can put this context into international ways with more understand in meaning. ♪ narrator: heri has now been invited to singapore for stpi.ncy at the singapore >> we like to create the opportunities for the artist to grow. we have materials that they have not worked with. looking at harry's work, he is showing us the same. it is for him to be here, exploring the possibilities together. isrator: here at stpi, heri experiencing with different mediums from papier-mache to using traditional javanese canvases. he is also learning how to etch in ways he is never done before. heri dono: drop on the upper late on the first page. you have these drawn by hand. now this stage is for heri to do a grain on the top of it in order to create a form. which is basically here. it is li

. >> he was at the venice biennale that they showed de koonig andck. he didn't get the same commercial success as his peers. >> what did norman lewis have to deal with? >> he had to deal with the exhibition, is that were exhibitions of white artists. he was also left out of exhibitions of black artists that i would have thought he in. but he was too abstract. he wasn't fitting the picture that people wanted to tell about was. >> is this finished? >> yeah.n lewis' struggle for his rightful place among his contemporaries produced an extraordinary body of work and ae to go with it. >> the fact that he wasn't recognized the way he should have been during his lifetime, did you see frustration about that? norman was angry. there was a subtling a tore him. you know, disappointment. >> i don't know how he keptow he had some rage. i know he was upset. but he didn't let that affect his painting. he just kept painting. >> former nba player and coach is a note collector of african american art. >> he owns four works bywere you surprised as you started to see what