He was awarded ten honorary doctorates. Rau was awarded fifteen honorary doctorates. He also received numerous honorary doctorates. Kalam received 7 honorary doctorates from 40 universities. He was conferred with two Honorary Doctorates. House has been awarded three honorary doctorates. Hope was awarded more than 2,000 honors and awards, including 54 honorary university doctorates. These were among a number of honorary doctorates conferred upon him. Raman was honoured with many honorary doctorates and memberships of scientific societies. Fuller was awarded 28 United States patents and many honorary doctorates. Shaffer has also received two honorary doctorates, including one from Lakehead University. Since October 2007 she has received six honorary doctorates. Those who have received honoris causa doctorates may use dr.h.c. Ray was the recipient of twenty honorary doctorates from U.S. and foreign universities. Galtung received the first of thirteen honorary doctorates in 1975.