55 years of engineering experience. Worked as a surveyer, structural designer, digital computer designer: (worked on the first airborne solid state digital computer, the first handheld electronic slide rule) medical devices:, (artificial kidney systems, open heart surgery systems, blood cell separation devices, ophthalmic surgery systems) awarded 27 primary patents (i.e. not counting multiple countries just the basic patent - if one counts all the countries well over a hundred) all but 3 of them have been used on commercially successful products. Published over 40 technical papers. VP of R&D at two major US medical device companies. Ph.D. in engineering mechanics. Served in US Army (honorably separated as a Captain in Engineer Corps) Now retired from industry but still doing consulting engagements.