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Dr. Shurcliff returned to Cambridge to head an optics laboratory at the Polaroid Corporation , a company run by his classmate Edwin H. Land , and his inventions led to about 20 patents , Arthur Shurcliff said .
 company founders: Polaroid Corporation, Edwin H. Land; place of death: Edwin H. Land, Cambridge
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Polaroid Corporation, Edwin H. Land; Edwin H. Land, Cambridge 
Answer:
 company founders: Polaroid Corporation, Edwin H. Land; place of death: Edwin H. Land, Cambridge