Complex sentence: Freeman rose to become senior partner, and in 1938 the firm changed its name to Freeman Fox & Partners, and later Acer Freeman Fox, following several mergers, the firm is now part of Hyder Consulting.
Split into simpler sentences: Freeman rose to become senior partner, and in 1938 the firm changed its name to Freeman Fox & Partners, and later Acer Freeman Fox. Following several mergers, the firm is now part of Hyder Consulting.