TOP-S-HIP261-7746 The British mathematician Alan Turing (1912-1954) Credit: Heritage-Images / TopFoto / Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Collection: TopFoto / Alinari Archives Object type: digital image Technical info Image sizes (pixel): 3568 X 5315 Image sizes (cm at 300 dpi): 30 X 45 Image sizes (MB): 4.69 Color space: RGB