Which of the following choices are correct to desribe Einstein? A: He worked as a "Technical Expert, Third Class". B: He published five of the most important papers in the history of science. C: His ideas were far ahead of other scientists of his time. D: He was viewed as a space alien. E: He was a man of his time. F: He proposed that light is particulate in 1905 and for this he won the Noble Prize in 1921.