sphericist
/ˈsferɪkɪst/Definitions
1. noun
A person who believes that the universe is spherical or that the Earth is spherical, especially in ancient times.
“The historian studied the sphericist theories of ancient Greek philosophers.”
2. noun
A person who advocates for or supports a spherical or round shape in a particular context, such as cosmology or architecture.
“The architect was a sphericist, designing buildings with curved lines and rounded shapes.”