Theme 1 The three-constituency model of successful technologies Theme 2 The myth of the middle landscape Theme 3 Standardization vs. negotiation Theme 4 Invention, innovation, development Theme 5 The engineer: professional or employee? Theme 6 Frederick Winslow Taylor and scientific management Theme 7 The Schon model Theme 8 Four dimensions of technological knowledge Theme 9 The transfer of technology Theme 10 The seduction of the engineers Theme 11 An ethical framework