Harry Baya - Born July 31, 1939,  Age and  Grade by year
Year	Age Jan 1	Age Dec 31	grade ended	grade started
1939	0	0
1940	0	1
1941	1	2
1942	2	3
1943	3	4
1944	4	5
1945	5	6		1
1946	6	7	1	2
1947	7	8	2	3
1948	8	9	3	4
1949	9	10	4	5
1950	10	11	5	6
1951	11	12	6	7
1952	12	13	7	8
1953	13	14	8	9
1954	14	15	9	10
1955	15	16	10	11
1956	16	17	11	12
1957	17	18	12	1
1958	18	19	1	2
1959	19	20	2	3
1960	20	21	3	4
1961	21	22	4	G1
1962	22	23	G1	G2
1963	23	24	G2