Some of his works, such as Enak's Tears and Overturned Blue Shoe with Two Heels Under a Black Vault, have been described as ameba-like. He switched from wall reliefs to sculptures in 1930, creating works such as Metamorphosis: Shell-Swan and Human Concretion. He grew up in Alsace-Lorraine and used different first names for himself depending on whether he was speaking in French or German. Name this artist who helped found 
Some of his works, such as Enak's Tears and Overturned Blue Shoe with Two Heels Under a Black Vault, have been described as ameba-like. He switched from wall reliefs to sculptures in 1930, creating works such as Metamorphosis: Shell-Swan and Human Concretion. He grew up in Alsace-Lorraine and used different first names for himself depending on whether he was speaking in French or German. Name this artist who helped found both the Abstraction- Creation and Dada movements.
Some of his works, such as Enak's Tears and Overturned Blue Shoe with Two Heels Under a Black Vault, have been described as ameba-like.