sentences:  After briefly serving as professor of botany at the University of Chicago in 1868-70, Beal went on to Michigan Agricultural College (MAC, now Michigan State University), where he was a professor of botany (1871-1910), and curator of the museum (1882-1903).While at MAC, he arranged for Liberty Hyde Bailey to work as an assistant to Asa Gray at Harvard University for two years during 1883-1884.He also served as director of the state Forestry Commission (1889-1892).