sentences:  Design, science and industry came together in the Festival Pattern Group, which commissioned textiles, wallpaper, domestic objects and Festival exhibits based on x-ray crystallography.The idea of using the molecular patterns revealed in x-ray crystallography in surface patterns was first suggested by Dr Helen Megaw, a leading Cambridge University crystallographer.After hearing a presentation by Dorothy Hodgkin to the Society of Industrial Artists, Mark Hartland Thomas, chief industrial officer of the CoID, took up the idea and formed the Festival Pattern Group.