jan 1, 1953 - Aperture Science begins operations as a manufacturer of shower curtains. (Portal 2: The Official Guide) (ApertureScience.com)

Description:

- 1953
- Aperture Science constructs Pump Station Alpha and at least Test Shaft 09 Chambers 01 and 02.
- Aperture goes public this year.
- Aperture Science begins operations as a manufacturer of shower curtains. Early product line provides a very low-tech portal between the inside and outside of your shower. Very little science is actually involved. The name is chosen to make the curtains appear more hygienic.