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In page Norman Foster:

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Foster was assigned the brief for a development on the site of the Baltic Exchange, which had been damaged beyond repair by an IRA bomb, in the 1990s. Foster + Partners submitted a plan for a 385-metre-tall (1,263 ft) skyscraper, the London Millennium Tower, but its height was seen as excessive for London's skyline.[1] The proposal was scrapped and instead Foster proposed 30 St Mary Axe, popularly referred to as "the gherkin", after its shape. Foster worked with engineers to integrate complex computer systems with the most basic physical laws, such as convection. In 1999, the company was renamed Foster + Partners.[citation needed]