Minimalist Aluminum Scientist Models

2x2 grids, each featuring a renowned scientist, styled as follows 
Anchor point: [3D stereoscopic perspective model of scientists making smart poses]::3.5 
Form: CNC milling curves, chamfered edges, minimalist buttons/interfaces, seamless integrated forming::3 
Material Physics: Bead-sprayed aluminum (deep space gray), satin metallic texture, cold touch, fingerprint resistance::3 
Lighting: minimalist tech product lighting, cool white temperature, soft gradient reflection: 1.5 
Render stack: Industrial Design Portfolio, Equiaxial View, Orthogonal Precision, Clean Background::1 
Negative: [Rust, dust, organic matter, wood, plastic, glossy surface, mess, high contrast]: -1