AbouttheAuthorDavidC.LayholdsaB.A.fromAuroraUniversity(Illinois),andanM.A.andPh.D.fromtheUniversityofCaliforniaatLosAngeles.DavidLayhasbeenaneducatorandresearchmathematiciansince1966,mostlyattheUniversityofMaryland,CollegePark.HehasalsoservedasavisitingprofessorattheUniversityofAmsterdam,theFreeUniversityinAmsterdam,andtheUniversityofKaiserslautern,Germany.Hehaspublishedmorethan30researcharticlesonfunctionalanalysisandlinearalgebra.AsafoundingmemberoftheNSF-sponsoredLinearAlgebraCurriculumStudyGroup,DavidLayhasbeenaleaderinthecurrentmovementtomodernizethelinearalgebracurriculum.Layisalsoacoauthorofseveralmathematicstexts,includingIntroductiontoFunctionalAnalysiswithAngusE.Taylor,CalculusandItsApplications,withL.J.GoldsteinandD.I.Schneider,andLinearAlgebraGems–AssetsforUndergraduateMathematics,withD.Carlson,C.R.Johnson,andA.D.Porter.DavidLayhasreceivedfouruniversityawardsforteachingexcellence,including,in1996,thetitleofDistinguishedScholar—TeacheroftheUniversityofMaryland.In1994,hewasgivenoneoftheMathematicalAssociationofAmerica’sAwardsforDistinguishedCollegeorUniversityTeachingofMathematics.HehasbeenelectedbytheuniversitystudentstomembershipinAlphaLambdaDeltaNationalScholasticHonorSocietyandGoldenKeyNationalHonorSociety.In1989,AuroraUniversityconferredonhimtheOutstandingAlumnusaward.DavidLayisamemberoftheAmericanMathematicalSociety,theCanadianMathematicalSociety,theInternationalLinearAlgebraSociety,theMathematicalAssociationofAmerica,SigmaXi,andtheSocietyforIndustrialandAppliedMathematics.Since1992,hehasservedseveraltermsonthenationalboardoftheAssociationofChristiansintheMathematicalSciences.StevenR.LaybeganhisteachingcareeratAuroraUniversity(Illinois)in1971,aftere
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