In the 13 years since 1964, a total of at least 16 elected official in Maryland have been convicted of, or have pleaded no contest to, a variety of crimes, almost all of which stemmed from political corruption investigations. But it took the resignation and no contest plea of former Vice President Spiro T. Agnew in 1973 to establish Maryland's national reptation as a center of political corruption.

Following is a series of sketches of these officials, in the chronological order of their convictions or no contest pleas.

FRANK J. MCCOURT

Former state senator from Baltimore; in 1971 was found guilty in federal court of four counts of failing to file income tax returns 1964 through 1967; sentenced to one year's probation.

SAMUEL A. GREEN JR.

Former Democratic state's attorney in Balimore County; convicted in February, 1974, of charges of obstruction of justic, subornation of perjury, misconduct in office and conspiracy; served three months in jail.

A, GORDON BOONE

Former Democratic Speaker of Maryland House of Delegates; convicted in federal court on six counts of mail fraud in 1964; served 13 months in prison.

THOMAS F. JOHNSON

Former Democratic congressman from Maryland's Eastern Shore; convicted in federal court in 1968 of selling his influence as a congressman ; served 3 1/2 month jail prison.

RICHARD O. BAUMGARTNER

Former Frederick County sheriff, in 1973 receiced a suspended four-year sentence and $250 fine after being convicted in state court embezzlement, obtaining funds under false pretense and malfeasance.

DALE ANDERSON

Former Democratic country executive of Balimore County convicred in federal court in March, 1974, of 32 countrs of extortion, conspiracy and tax evarion; served 13 months in prison.

HARRY T. PHOEBUS JR.

Former Republican state senator from Somerset County; pleaded no contest in 1966 to failing to file federal income tax returns in 1962 and 1963; sentenced to three months in prison.

JESSE BAGGETT

Former Democratic county commissioner of Prince George's County; convicted in federal court in 1971 of receiving a $3,500 bribe from a developer who wanted in influence Baggett's vote; sentencedto 15 months in prison.

SPIRO T. AGNEW

Former Republican Vice President of the United State; former governor of Maryland; former county executive of Baltimore County; pleaded no contest in October , 1973, to one count of tax evasion stememong from a federal grandjury investigation of kickbacks in Baltimore County; sentenced to a $10,000 fine and three years insupervised probation.

JOSEPH F. ALTON JR.

Former Republican county executive of Anne executive of Anne Arundel County; pleaded guilty in December, 1974, to federal charges of extorting cash kickbacks from architects and engineers seeking county contracts; served six months in prison.

JOHN A. SCHAEFER

Democratic city councilman in Baltimore; convicted in state court in May, 1975, of conflict-of-interest charges; sentenced to 30 days in jail. Subsequently re-elected.

PAUL L. CHESTER

Former clerk of Baltimore's Court of Common Pleas; convicted in state court in August, 1975, of malfeasance for coercing his employees to contribute to his 1974 re-election campaign.

GEORGE J. SANTONI

Democratic state delegate from East Baltimore; convicted in May, 1977, in federal court of four counts of extortion; sentenced to a five-year prison term.

DANIEL F. BREWSTER

Former United States senator (D-Md.); pleaded no contest in federal court to a single count of accepting an illegal gratuity; plea made in June, 1975, two years after an earlier conviction was reversed by a federal appeals court; fined $10,000.

MARVIN MANDEL

Democratic governor of Maryland since 1969. Convicted Aug. 23, 1977, of 17 counts a mail fraud and one antiracketeering charge; sentencsing scheduled Oct. 7.

W. DALE HESS

Former Democratic delegate from Hardford County; convicted with Mandel of mail fraud and racketeering Aug. 23, 1977.