Complex sentence: He also suggests it is likely that Bruno kept the tonsure even after this point, showing a continued and deep religious attachment contrary to the way in which Bruno has been portrayed as a martyr for modern science.
Split into simpler sentences: He also suggests it is likely that Bruno kept the tonsure even after this point. According to this view the tonsure would show a continued and deep religious attachment contrary to the way in which Bruno has been portrayed as a martyr for modern science.